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David Howells 266cf658ef FS-Cache: Recruit a page flags for cache management 
Recruit a page flag to aid in cache management.  The following extra flag is
defined:

 (1) PG_fscache (PG_private_2)

     The marked page is backed by a local cache and is pinning resources in the
     cache driver.

If PG_fscache is set, then things that checked for PG_private will now also
check for that.  This includes things like truncation and page invalidation.
The function page_has_private() had been added to make the checks for both
PG_private and PG_private_2 at the same time.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Daire Byrne <Daire.Byrne@framestore.com>
 		2009-04-03 16:42:36 +01:00
..
Kconfig nommu: make CONFIG_UNEVICTABLE_LRU available when CONFIG_MMU=n 2009-04-01 08:59:15 -07:00
Kconfig.debug generic debug pagealloc: build fix 2009-04-02 19:04:48 -07:00
Makefile generic debug pagealloc 2009-04-01 08:59:13 -07:00
allocpercpu.c cpumask: use new cpumask_ functions in core code. 2009-03-30 22:05:16 +10:30
backing-dev.c Move the default_backing_dev_info out of readahead.c and into backing-dev.c 2009-03-26 11:01:33 +01:00
bootmem.c bootmem, x86: further fixes for arch-specific bootmem wrapping 2009-03-01 16:06:56 +09:00
bounce.c
…
debug-pagealloc.c generic debug pagealloc 2009-04-01 08:59:13 -07:00
dmapool.c
…
fadvise.c [CVE-2009-0029] System call wrapper special cases 2009-01-14 14:15:18 +01:00
failslab.c
…
filemap.c FS-Cache: Recruit a page flags for cache management 2009-04-03 16:42:36 +01:00
filemap_xip.c mm: do_xip_mapping_read: fix length calculation 2009-04-02 19:04:49 -07:00
fremap.c Do not account for the address space used by hugetlbfs using VM_ACCOUNT 2009-02-10 10:48:42 -08:00
highmem.c mm: introduce debug_kmap_atomic 2009-04-01 08:59:14 -07:00
hugetlb.c hugetlb: chg cannot become less than 0 2009-04-01 08:59:13 -07:00
internal.h nommu: there is no mlock() for NOMMU, so don't provide the bits 2009-04-01 08:59:14 -07:00
maccess.c
…
madvise.c [CVE-2009-0029] System call wrappers part 14 2009-01-14 14:15:24 +01:00
memcontrol.c memcg: cleanup cache_charge 2009-04-02 19:04:56 -07:00
memory.c mm: page_mkwrite change prototype to match fault 2009-04-01 08:59:14 -07:00
memory_hotplug.c
…
mempolicy.c [CVE-2009-0029] System call wrappers part 28 2009-01-14 14:15:30 +01:00
mempool.c
…
migrate.c FS-Cache: Recruit a page flags for cache management 2009-04-03 16:42:36 +01:00
mincore.c [CVE-2009-0029] System call wrappers part 14 2009-01-14 14:15:24 +01:00
mlock.c Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-02-17 14:27:39 -08:00
mm_init.c
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mmap.c nommu: fix a number of issues with the per-MM VMA patch 2009-04-02 19:04:48 -07:00
mmu_notifier.c
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mmzone.c
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mprotect.c Do not account for the address space used by hugetlbfs using VM_ACCOUNT 2009-02-10 10:48:42 -08:00
mremap.c [CVE-2009-0029] System call wrappers part 13 2009-01-14 14:15:23 +01:00
msync.c [CVE-2009-0029] System call wrappers part 13 2009-01-14 14:15:23 +01:00
nommu.c nommu: fix a number of issues with the per-MM VMA patch 2009-04-02 19:04:48 -07:00
oom_kill.c memcg: show memcg information during OOM 2009-04-02 19:04:55 -07:00
page-writeback.c mm: fix proc_dointvec_userhz_jiffies "breakage" 2009-04-01 08:59:13 -07:00
page_alloc.c vmscan: fix it to take care of nodemask 2009-04-01 08:59:15 -07:00
page_cgroup.c memcg: remove redundant message at swapon 2009-04-02 19:04:56 -07:00
page_io.c block: fix bad definition of BIO_RW_SYNC 2009-02-18 10:32:00 +01:00
page_isolation.c
…
pagewalk.c
…
pdflush.c cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL 2009-03-30 22:05:11 +10:30
percpu.c percpu: generalize embedding first chunk setup helper 2009-03-10 16:27:48 +09:00
prio_tree.c
…
quicklist.c
…
readahead.c FS-Cache: Recruit a page flags for cache management 2009-04-03 16:42:36 +01:00
rmap.c mm: fix mlocked page counter mismatch 2009-02-11 14:25:35 -08:00
shmem.c shmem: writepage directly to swap 2009-04-01 08:59:15 -07:00
shmem_acl.c
…
slab.c workqueue: add to_delayed_work() helper function 2009-04-02 19:04:50 -07:00
slob.c Merge branch 'locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-03-30 17:17:35 -07:00
slub.c Merge branch 'locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-03-30 17:17:35 -07:00
sparse-vmemmap.c
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sparse.c mm: mminit_validate_memmodel_limits(): remove redundant test 2009-04-01 08:59:11 -07:00
swap.c FS-Cache: Recruit a page flags for cache management 2009-04-03 16:42:36 +01:00
swap_state.c memcg: mem+swap controller core 2009-01-08 08:31:05 -08:00
swapfile.c PM/hibernate: fix "swap breaks after hibernation failures" 2009-02-21 14:17:17 -08:00
thrash.c
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truncate.c FS-Cache: Recruit a page flags for cache management 2009-04-03 16:42:36 +01:00
util.c memdup_user(): introduce 2009-04-01 08:59:13 -07:00
vmalloc.c vmap: remove needless lock and list in vmap 2009-04-01 08:59:11 -07:00
vmscan.c FS-Cache: Recruit a page flags for cache management 2009-04-03 16:42:36 +01:00
vmstat.c mm: align vmstat_work's timer 2009-04-02 19:04:48 -07:00