chushi: kabi: add reserved fields in core structures.

在关键数据结构中增加保留字段,以保障内核二进制接口兼容,
同时这些字段也可用于紧急修复.

the following fields involved:
	PCI:
	struct pci_sriov
	struct pci_dev
	struct pci_bus
	struct pci_driver

	block:
	struct bio_integrity_payload
	struct bio_set
	struct bdi_writeback
	struct backing_dev_info
	struct blkcg
	struct blkcg_policy
	struct queue_limits
	struct request_queue
	struct block_device_operations
	struct blk_mq_hw_ctx
	struct blk_mq_tag_set
	struct blk_mq_queue_data
	struct blk_mq_ops
	struct block_device
	struct bio
	struct bsg_job
	struct hd_struct
	struct gendisk

	cgroup:
	struct cgroup_subsys_state
	struct css_set
	struct cgroup_root
	struct cgroup_subsys

	io-sched:
	struct elevator_mq_ops
	struct elevator_type

	fs:
	struct address_space
	struct readahead_control
	struct writeback_control

	firmware:
	struct fwnode_handle

	timer:
	struct hrtimer
	struct timer_list

	irq:
	struct irq_desc
	struct irq_domain
	struct irq_data
	struct irq_work

	mm:
	struct mempolicy
	struct mempool_s
	struct vmem_altmap
	struct dev_pagemap_ops
	struct dev_pagemap
	struct vm_fault
	struct vm_operations_struct
	struct vm_area_struct
	struct mm_struct
	struct zone
	struct pglist_data
	struct shrinker
	struct swap_info_struct

	net:
	struct net_device_ops
	struct xt_target
	struct sk_buff
	struct dst_entry
	struct dst_ops
	struct fib_rule
	struct sock

	sched:
	struct sched_info
	struct load_weight
	struct sched_avg
	struct sched_statistics
	struct sched_entity
	struct sched_rt_entity
	struct sched_dl_entity
	struct task_struct
	struct sched_domain_shared
	struct sched_domain
	struct user_struct
	struct cpuacct
	struct cpudl
	struct numa_group
	struct rt_bandwidth
	struct dl_bandwidth
	struct dl_bw
	struct cfs_bandwidth
	struct task_group
	struct cfs_rq
	struct rt_rq
	struct dl_rq
	struct root_domain
	struct rq
	struct sched_group_capacity
	struct sched_group
	struct sched_class

	signal:
	struct signal_struct

	scsi:
	struct scsi_disk
	struct scsi_cmnd
	struct scsi_device
	struct scsi_target
	struct scsi_host_template
	struct Scsi_Host

Signed-off-by: hejiaolong <hejiaolong@kernelsoft.com>

drivers/pci/pci.h

@@ -310,6 +310,15 @@ struct pci_sriov {
 	u16		subsystem_device; /* VF subsystem device */
 	resource_size_t	barsz[PCI_SRIOV_NUM_BARS];	/* VF BAR size */
 	bool		drivers_autoprobe; /* Auto probing of VFs by driver */
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 #ifdef CONFIG_PCI_DOE

drivers/scsi/sd.h

@@ -151,6 +151,11 @@ struct scsi_disk {
 	unsigned	urswrz : 1;
 	unsigned	security : 1;
 	unsigned	ignore_medium_access_errors : 1;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 #define to_scsi_disk(obj) container_of(obj, struct scsi_disk, disk_dev)
 

include/linux/backing-dev-defs.h

@@ -158,6 +158,10 @@ struct bdi_writeback {
 		struct rcu_head rcu;
 	};
 #endif
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 struct backing_dev_info {
@@ -201,6 +205,9 @@ struct backing_dev_info {
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debug_dir;
 #endif
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 struct wb_lock_cookie {

include/linux/bio.h

@@ -346,6 +346,10 @@ struct bio_integrity_payload {
 	struct work_struct	bip_work;	/* I/O completion */
 
 	struct bio_vec		*bip_vec;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+
 	struct bio_vec		bip_inline_vecs[];/* embedded bvec array */
 };
 
@@ -705,6 +709,11 @@ struct bio_set {
 	 * Hot un-plug notifier for the per-cpu cache, if used
 	 */
 	struct hlist_node cpuhp_dead;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 static inline bool bioset_initialized(struct bio_set *bs)

include/linux/blk-mq.h

@@ -304,6 +304,15 @@ struct blk_mq_hw_ctx {
 		unsigned long		state;
 	} ____cacheline_aligned_in_smp;
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
+
 	/**
 	 * @run_work: Used for scheduling a hardware queue run at a later time.
 	 */
@@ -515,6 +524,15 @@ struct blk_mq_tag_set {
 	struct mutex		tag_list_lock;
 	struct list_head	tag_list;
 	struct srcu_struct	*srcu;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 /**
@@ -526,6 +544,8 @@ struct blk_mq_tag_set {
 struct blk_mq_queue_data {
 	struct request *rq;
 	bool last;
+
+	unsigned long chushi_reserve1;
 };
 
 typedef bool (busy_tag_iter_fn)(struct request *, void *);
@@ -645,6 +665,15 @@ struct blk_mq_ops {
 	 */
 	void (*show_rq)(struct seq_file *m, struct request *rq);
 #endif
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 enum {

include/linux/blk_types.h

@@ -75,6 +75,8 @@ struct block_device {
 	 * path
 	 */
 	struct device		bd_device;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 } __randomize_layout;
 
 #define bdev_whole(_bdev) \
@@ -316,6 +318,8 @@ struct bio {
 
 	struct bio_set		*bi_pool;
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 	/*
 	 * We can inline a number of vecs at the end of the bio, to avoid
 	 * double allocations for a small number of bio_vecs. This member

include/linux/blkdev.h

@@ -337,6 +337,15 @@ struct queue_limits {
 	 * due to possible offsets.
 	 */
 	unsigned int		dma_alignment;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx,
@@ -536,6 +545,10 @@ struct request_queue {
 	struct mutex		debugfs_mutex;
 
 	bool			mq_sysfs_init_done;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 /* Keep blk_queue_flag_name[] in sync with the definitions below */
@@ -1418,6 +1431,11 @@ struct block_device_operations {
 	 * driver.
 	 */
 	int (*alternative_gpt_sector)(struct gendisk *disk, sector_t *sector);
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 #ifdef CONFIG_COMPAT

include/linux/bsg-lib.h

@@ -60,6 +60,9 @@ struct bsg_job {
 	struct bio *bidi_bio;
 
 	void *dd_data;		/* Used for driver-specific storage */
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 void bsg_job_done(struct bsg_job *job, int result,

include/linux/cgroup-defs.h

@@ -195,6 +195,9 @@ struct cgroup_subsys_state {
 	struct work_struct destroy_work;
 	struct rcu_work destroy_rwork;
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+
 	/*
 	 * PI: the parent css.	Placed here for cache proximity to following
 	 * fields of the containing structure.
@@ -297,6 +300,9 @@ struct css_set {
 
 	/* For RCU-protected deletion */
 	struct rcu_head rcu_head;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 struct cgroup_base_stat {
@@ -562,6 +568,9 @@ struct cgroup_root {
 	/* Hierarchy-specific flags */
 	unsigned int flags;
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+
 	/* The path to use for release notifications. */
 	char release_agent_path[PATH_MAX];
 
@@ -690,6 +699,9 @@ struct cgroup_subsys {
 	void (*release)(struct task_struct *task);
 	void (*bind)(struct cgroup_subsys_state *root_css);
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+
 	bool early_init:1;
 
 	/*

include/linux/fs.h

@@ -489,6 +489,10 @@ struct address_space {
 	spinlock_t		private_lock;
 	struct list_head	private_list;
 	void			*private_data;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 } __attribute__((aligned(sizeof(long)))) __randomize_layout;
 	/*
 	 * On most architectures that alignment is already the case; but

include/linux/fwnode.h

@@ -45,6 +45,8 @@ struct fwnode_handle {
 	struct list_head suppliers;
 	struct list_head consumers;
 	u8 flags;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 /*

include/linux/hrtimer.h

@@ -124,6 +124,8 @@ struct hrtimer {
 	u8				is_rel;
 	u8				is_soft;
 	u8				is_hard;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 /**

include/linux/irq.h

@@ -187,6 +187,10 @@ struct irq_data {
 	struct irq_data		*parent_data;
 #endif
 	void			*chip_data;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 /*

include/linux/irq_work.h

@@ -18,6 +18,11 @@ struct irq_work {
 	struct __call_single_node node;
 	void (*func)(struct irq_work *);
 	struct rcuwait irqwait;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 #define __IRQ_WORK_INIT(_func, _flags) (struct irq_work){	\

include/linux/irqdesc.h

@@ -105,6 +105,10 @@ struct irq_desc {
 #ifdef CONFIG_HARDIRQS_SW_RESEND
 	struct hlist_node	resend_node;
 #endif
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 } ____cacheline_internodealigned_in_smp;
 
 #ifdef CONFIG_SPARSE_IRQ

include/linux/irqdomain.h

@@ -170,6 +170,11 @@ struct irq_domain {
 	const struct msi_parent_ops	*msi_parent_ops;
 #endif
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+
 	/* reverse map data. The linear map gets appended to the irq_domain */
 	irq_hw_number_t			hwirq_max;
 	unsigned int			revmap_size;

include/linux/mempolicy.h

@@ -52,6 +52,9 @@ struct mempolicy {
 		nodemask_t cpuset_mems_allowed;	/* relative to these nodes */
 		nodemask_t user_nodemask;	/* nodemask passed by user */
 	} w;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
 };
 
 /*

include/linux/mempool.h

@@ -23,6 +23,9 @@ typedef struct mempool_s {
 	mempool_alloc_t *alloc;
 	mempool_free_t *free;
 	wait_queue_head_t wait;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
 } mempool_t;
 
 static inline bool mempool_initialized(mempool_t *pool)

include/linux/memremap.h

@@ -25,6 +25,8 @@ struct vmem_altmap {
 	unsigned long free;
 	unsigned long align;
 	unsigned long alloc;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 /*
@@ -99,6 +101,8 @@ struct dev_pagemap_ops {
 	 */
 	int (*memory_failure)(struct dev_pagemap *pgmap, unsigned long pfn,
 			      unsigned long nr_pages, int mf_flags);
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 #define PGMAP_ALTMAP_VALID	(1 << 0)
@@ -133,6 +137,10 @@ struct dev_pagemap {
 	const struct dev_pagemap_ops *ops;
 	void *owner;
 	int nr_range;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 	union {
 		struct range range;
 		DECLARE_FLEX_ARRAY(struct range, ranges);

include/linux/mm.h

@@ -549,6 +549,9 @@ struct vm_fault {
 					 * page table to avoid allocation from
 					 * atomic context.
 					 */
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+
 };
 
 /*
@@ -628,6 +631,10 @@ struct vm_operations_struct {
 	 */
 	struct page *(*find_special_page)(struct vm_area_struct *vma,
 					  unsigned long addr);
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 #ifdef CONFIG_NUMA_BALANCING

include/linux/mm_types.h

@@ -660,6 +660,11 @@ struct vm_area_struct {
 	struct vma_numab_state *numab_state;	/* NUMA Balancing state */
 #endif
 	struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 } __randomize_layout;
 
 #ifdef CONFIG_SCHED_MM_CID
@@ -919,6 +924,11 @@ struct mm_struct {
 #endif /* CONFIG_LRU_GEN */
 	} __randomize_layout;
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+
 	/*
 	 * The mm_cpumask needs to be at the end of mm_struct, because it
 	 * is dynamically sized based on nr_cpu_ids.

include/linux/mmzone.h

@@ -986,6 +986,9 @@ struct zone {
 	/* Zone statistics */
 	atomic_long_t		vm_stat[NR_VM_ZONE_STAT_ITEMS];
 	atomic_long_t		vm_numa_event[NR_VM_NUMA_EVENT_ITEMS];
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 } ____cacheline_internodealigned_in_smp;
 
 enum pgdat_flags {
@@ -1404,6 +1407,9 @@ typedef struct pglist_data {
 #ifdef CONFIG_MEMORY_FAILURE
 	struct memory_failure_stats mf_stats;
 #endif
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 } pg_data_t;
 
 #define node_present_pages(nid)	(NODE_DATA(nid)->node_present_pages)

include/linux/netdevice.h

@@ -1645,6 +1645,9 @@ struct net_device_ops {
 	int			(*ndo_hwtstamp_set)(struct net_device *dev,
 						    struct kernel_hwtstamp_config *kernel_config,
 						    struct netlink_ext_ack *extack);
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 /**

include/linux/netfilter/x_tables.h

@@ -217,6 +217,9 @@ struct xt_target {
 	unsigned short proto;
 
 	unsigned short family;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 /* Furniture shopping... */

include/linux/pagemap.h

@@ -1270,6 +1270,9 @@ struct readahead_control {
 	struct file *file;
 	struct address_space *mapping;
 	struct file_ra_state *ra;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
 /* private: use the readahead_* accessors instead */
 	pgoff_t _index;
 	unsigned int _nr_pages;

include/linux/pci.h

@@ -529,6 +529,23 @@ struct pci_dev {
 
 	/* These methods index pci_reset_fn_methods[] */
 	u8 reset_methods[PCI_NUM_RESET_METHODS]; /* In priority order */
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
+	unsigned long chushi_reserve9;
+	unsigned long chushi_reserve10;
+	unsigned long chushi_reserve11;
+	unsigned long chushi_reserve12;
+	unsigned long chushi_reserve13;
+	unsigned long chushi_reserve14;
+	unsigned long chushi_reserve15;
+	unsigned long chushi_reserve16;
 };
 
 static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
@@ -678,6 +695,15 @@ struct pci_bus {
 	struct bin_attribute	*legacy_mem;	/* Legacy mem */
 	unsigned int		is_added:1;
 	unsigned int		unsafe_warn:1;	/* warned about RW1C config write */
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 #define to_pci_bus(n)	container_of(n, struct pci_bus, dev)
@@ -933,6 +959,15 @@ struct pci_driver {
 	struct device_driver	driver;
 	struct pci_dynids	dynids;
 	bool driver_managed_dma;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 static inline struct pci_driver *to_pci_driver(struct device_driver *drv)

include/linux/sched.h

@@ -388,6 +388,14 @@ struct sched_info {
 	/* When were we last queued to run? */
 	unsigned long long		last_queued;
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 #endif /* CONFIG_SCHED_INFO */
 };
 
@@ -408,6 +416,15 @@ struct sched_info {
 struct load_weight {
 	unsigned long			weight;
 	u32				inv_weight;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 /**
@@ -501,6 +518,15 @@ struct sched_avg {
 	unsigned long			runnable_avg;
 	unsigned long			util_avg;
 	struct util_est			util_est;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 } ____cacheline_aligned;
 
 struct sched_statistics {
@@ -542,6 +568,15 @@ struct sched_statistics {
 #ifdef CONFIG_SCHED_CORE
 	u64				core_forceidle_sum;
 #endif
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 #endif /* CONFIG_SCHEDSTATS */
 } ____cacheline_aligned;
 
@@ -584,6 +619,15 @@ struct sched_entity {
 	 */
 	struct sched_avg		avg;
 #endif
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 struct sched_rt_entity {
@@ -602,6 +646,14 @@ struct sched_rt_entity {
 	/* rq "owned" by this entity/group: */
 	struct rt_rq			*my_q;
 #endif
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 } __randomize_layout;
 
 struct sched_dl_entity {
@@ -675,6 +727,14 @@ struct sched_dl_entity {
 	 */
 	struct sched_dl_entity *pi_se;
 #endif
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 #ifdef CONFIG_UCLAMP_TASK
@@ -1545,6 +1605,15 @@ struct task_struct {
 	 */
 	randomized_struct_fields_end
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
+
 	/* CPU-specific state of this task: */
 	struct thread_struct		thread;
 

include/linux/sched/signal.h

@@ -245,6 +245,10 @@ struct signal_struct {
 						 * and may have inconsistent
 						 * permissions.
 						 */
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 } __randomize_layout;
 
 /*

include/linux/sched/topology.h

@@ -82,6 +82,14 @@ struct sched_domain_shared {
 	atomic_t	nr_busy_cpus;
 	int		has_idle_cores;
 	int		nr_idle_scan;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 struct sched_domain {
@@ -151,6 +159,14 @@ struct sched_domain {
 	};
 	struct sched_domain_shared *shared;
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 	unsigned int span_weight;
 	/*
 	 * Span of all CPUs in this domain.

include/linux/sched/user.h

@@ -34,6 +34,9 @@ struct user_struct {
 
 	/* Miscellaneous per-user rate limit */
 	struct ratelimit_state ratelimit;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 extern int uids_sysfs_init(void);

include/linux/shrinker.h

@@ -83,6 +83,8 @@ struct shrinker {
 #endif
 	/* objs pending delete, per node */
 	atomic_long_t *nr_deferred;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 #define DEFAULT_SEEKS 2 /* A good number if you don't know better. */
 

include/linux/skbuff.h

@@ -1043,6 +1043,9 @@ struct sk_buff {
 
 	); /* end headers group */
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+
 	/* These elements must be at the end, see alloc_skb() for details.  */
 	sk_buff_data_t		tail;
 	sk_buff_data_t		end;

include/linux/swap.h

@@ -321,6 +321,9 @@ struct swap_info_struct {
 					 */
 	struct work_struct discard_work; /* discard worker */
 	struct swap_cluster_list discard_clusters; /* discard clusters list */
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
 	struct plist_node avail_lists[]; /*
 					   * entries in swap_avail_heads, one
 					   * entry per node.

include/linux/timer.h

@@ -21,6 +21,8 @@ struct timer_list {
 #ifdef CONFIG_LOCKDEP
 	struct lockdep_map	lockdep_map;
 #endif
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 #ifdef CONFIG_LOCKDEP

include/linux/writeback.h

@@ -89,6 +89,9 @@ struct writeback_control {
 	size_t wb_lcand_bytes;		/* bytes written by last candidate */
 	size_t wb_tcand_bytes;		/* bytes written by this candidate */
 #endif
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 static inline blk_opf_t wbc_to_write_flags(struct writeback_control *wbc)

include/net/dst.h

@@ -92,6 +92,8 @@ struct dst_entry {
 #ifdef CONFIG_64BIT
 	struct lwtunnel_state   *lwtstate;
 #endif
+
+	unsigned long chushi_reserve1;
 };
 
 struct dst_metrics {

include/net/dst_ops.h

@@ -40,6 +40,9 @@ struct dst_ops {
 
 	struct kmem_cache	*kmem_cachep;
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+
 	struct percpu_counter	pcpuc_entries ____cacheline_aligned_in_smp;
 };
 

include/net/fib_rules.h

@@ -44,6 +44,8 @@ struct fib_rule {
 	struct fib_rule_port_range	sport_range;
 	struct fib_rule_port_range	dport_range;
 	struct rcu_head		rcu;
+
+	unsigned long chushi_reserve1;
 };
 
 struct fib_lookup_arg {

include/net/sock.h

@@ -545,6 +545,9 @@ struct sock {
 	struct rcu_head		sk_rcu;
 	netns_tracker		ns_tracker;
 	struct hlist_node	sk_bind2_node;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
 };
 
 enum sk_pacing {

include/scsi/scsi_cmnd.h

@@ -141,6 +141,11 @@ struct scsi_cmnd {
 					 * to be at an address < 16Mb). */
 
 	int result;		/* Status code from lower level driver */
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 /* Variant of blk_mq_rq_from_pdu() that verifies the type of its argument. */

include/scsi/scsi_device.h

@@ -281,6 +281,14 @@ struct scsi_device {
 	struct mutex		state_mutex;
 	enum scsi_device_state sdev_state;
 	struct task_struct	*quiesced_by;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+
 	unsigned long		sdev_data[];
 } __attribute__((aligned(sizeof(unsigned long))));
 
@@ -367,6 +375,12 @@ struct scsi_target {
 	char			scsi_level;
 	enum scsi_target_state	state;
 	void 			*hostdata; /* available to low-level driver */
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+
 	unsigned long		starget_data[]; /* for the transport */
 	/* starget_data must be the last element!!!! */
 } __attribute__((aligned(sizeof(unsigned long))));

include/scsi/scsi_host.h

@@ -497,6 +497,11 @@ struct scsi_host_template {
 
 	/* Delay for runtime autosuspend */
 	int rpm_autosuspend_delay;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 /*
@@ -710,6 +715,13 @@ struct Scsi_Host {
 	 */
 	struct device *dma_dev;
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+
 	/*
 	 * We should ensure that this is aligned, both for better performance
 	 * and also because some compilers (m68k) don't automatically force

kernel/sched/cpuacct.c

@@ -26,6 +26,11 @@ struct cpuacct {
 	/* cpuusage holds pointer to a u64-type object on every CPU */
 	u64 __percpu	*cpuusage;
 	struct kernel_cpustat __percpu	*cpustat;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 static inline struct cpuacct *css_ca(struct cgroup_subsys_state *css)

kernel/sched/cpudeadline.h

@@ -13,6 +13,11 @@ struct cpudl {
 	int			size;
 	cpumask_var_t		free_cpus;
 	struct cpudl_item	*elements;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
 };
 
 #ifdef CONFIG_SMP

kernel/sched/fair.c

@@ -1413,6 +1413,12 @@ struct numa_group {
 	struct rcu_head rcu;
 	unsigned long total_faults;
 	unsigned long max_faults_cpu;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+
 	/*
 	 * faults[] array is split into two regions: faults_mem and faults_cpu.
 	 *

kernel/sched/sched.h

@@ -284,6 +284,14 @@ struct rt_bandwidth {
 	u64			rt_runtime;
 	struct hrtimer		rt_period_timer;
 	unsigned int		rt_period_active;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 void __dl_clear_params(struct task_struct *p);
@@ -315,6 +323,14 @@ struct dl_bw {
 	raw_spinlock_t		lock;
 	u64			bw;
 	u64			total_bw;
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 extern void init_dl_bw(struct dl_bw *dl_b);
@@ -358,6 +374,15 @@ struct cfs_bandwidth {
 	int			nr_burst;
 	u64			throttled_time;
 	u64			burst_time;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 #endif
 };
 
@@ -414,6 +439,14 @@ struct task_group {
 	struct uclamp_se	uclamp[UCLAMP_CNT];
 #endif
 
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
@@ -651,6 +684,15 @@ struct cfs_rq {
 #endif
 #endif /* CONFIG_CFS_BANDWIDTH */
 #endif /* CONFIG_FAIR_GROUP_SCHED */
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 static inline int rt_bandwidth_enabled(void)
@@ -697,6 +739,15 @@ struct rt_rq {
 	struct rq		*rq;
 	struct task_group	*tg;
 #endif
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 static inline bool rt_rq_is_runnable(struct rt_rq *rt_rq)
@@ -765,6 +816,15 @@ struct dl_rq {
 	 * by the GRUB algorithm.
 	 */
 	u64			bw_ratio;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
@@ -891,6 +951,15 @@ struct root_domain {
 	 * CPUs of the rd. Protected by RCU.
 	 */
 	struct perf_domain __rcu *pd;
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 extern void init_defrootdomain(void);
@@ -1168,6 +1237,15 @@ struct rq {
 	call_single_data_t	cfsb_csd;
 	struct list_head	cfsb_csd_list;
 #endif
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
@@ -1897,6 +1975,16 @@ struct sched_group_capacity {
 	int			id;
 #endif
 
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
+
 	unsigned long		cpumask[];		/* Balance mask */
 };
 
@@ -1910,6 +1998,16 @@ struct sched_group {
 	int			asym_prefer_cpu;	/* CPU of highest priority in group */
 	int			flags;
 
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
+
 	/*
 	 * The CPUs this group covers.
 	 *
@@ -2292,6 +2390,15 @@ struct sched_class {
 #ifdef CONFIG_SCHED_CORE
 	int (*task_is_throttled)(struct task_struct *p, int cpu);
 #endif
+
+	unsigned long chushi_reserve1;
+	unsigned long chushi_reserve2;
+	unsigned long chushi_reserve3;
+	unsigned long chushi_reserve4;
+	unsigned long chushi_reserve5;
+	unsigned long chushi_reserve6;
+	unsigned long chushi_reserve7;
+	unsigned long chushi_reserve8;
 };
 
 static inline void put_prev_task(struct rq *rq, struct task_struct *prev)