Andrew Morton 46666d8ac4 revert "mm: vmalloc use mutex for purge" ... Revert commit e97a630eb0 ("mm: vmalloc use mutex for purge") Bryan Donlan reports: : After testing 2.6.29-rc1 on xen-x86 with a btrfs root filesystem, I : got the OOPS quoted below and a hard freeze shortly after boot. : Boot messages and config are attached. : : ------------[ cut here ]------------ : Kernel BUG at c05ef80d [verbose debug info unavailable] : invalid opcode: 0000 [#1] SMP : last sysfs file: /sys/block/xvdc/size : Modules linked in: : : Pid: 0, comm: swapper Not tainted (2.6.29-rc1 #6) : EIP: 0061:[<c05ef80d>] EFLAGS: 00010087 CPU: 2 : EIP is at schedule+0x7cd/0x950 : EAX: d5aeca80 EBX: 00000002 ECX: 00000000 EDX: d4cb9a40 : ESI: c12f5600 EDI: d4cb9a40 EBP: d6033fa4 ESP: d6033ef4 : DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 : Process swapper (pid: 0, ti=d6032000 task=d6020b70 task.ti=d6032000) : Stack: : 000d85bc 00000000 000186a0 00000000 0dd11410 c0105417 c12efe00 0dc367c3 : 00000011 c0105d46 d5a5d310 deadbeef d4cb9a40 c07cc600 c05f1340 c12e0060 : deadbeef d6020b70 d6020d08 00000002 c014377d 00000000 c12f5600 00002c22 : Call Trace: : [<c0105417>] xen_force_evtchn_callback+0x17/0x30 : [<c0105d46>] check_events+0x8/0x12 : [<c05f1340>] _spin_unlock_irqrestore+0x20/0x40 : [<c014377d>] hrtimer_start_range_ns+0x12d/0x2e0 : [<c014c4f6>] tick_nohz_restart_sched_tick+0x146/0x160 : [<c0107485>] cpu_idle+0xa5/0xc0 and bisected it to this commit. Let's remove it now while we have a think about the problem. Reported-by: Bryan Donlan <bdonlan@gmail.com> Tested-by: Christophe Saout <christophe@saout.de> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2009-01-15 16:39:40 -08:00
..
Kconfig	…
Makefile	…
allocpercpu.c	…
backing-dev.c	…
bootmem.c	…
bounce.c	…
dmapool.c	…
fadvise.c	[CVE-2009-0029] System call wrapper special cases	2009-01-14 14:15:18 +01:00
failslab.c	…
filemap.c	[CVE-2009-0029] System call wrapper special cases	2009-01-14 14:15:18 +01:00
filemap_xip.c	…
fremap.c	[CVE-2009-0029] System call wrappers part 13	2009-01-14 14:15:23 +01:00
highmem.c	…
hugetlb.c	…
internal.h	…
maccess.c	…
madvise.c	[CVE-2009-0029] System call wrappers part 14	2009-01-14 14:15:24 +01:00
memcontrol.c	memcg: make oom less frequently	2009-01-15 16:39:39 -08:00
memory.c	x86 PAT: change track_pfn_vma_new to take pgprot_t pointer param	2009-01-13 19:13:01 +01:00
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	[CVE-2009-0029] System call wrappers part 28	2009-01-14 14:15:30 +01:00
mincore.c	[CVE-2009-0029] System call wrappers part 14	2009-01-14 14:15:24 +01:00
mlock.c	[CVE-2009-0029] System call wrappers part 14	2009-01-14 14:15:24 +01:00
mm_init.c	…
mmap.c	[CVE-2009-0029] System call wrappers part 13	2009-01-14 14:15:23 +01:00
mmu_notifier.c	…
mmzone.c	…
mprotect.c	[CVE-2009-0029] System call wrappers part 13	2009-01-14 14:15:23 +01:00
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	[CVE-2009-0029] System call wrappers part 13	2009-01-14 14:15:23 +01:00
oom_kill.c	memcg: avoid deadlock caused by race between oom and cpuset_attach	2009-01-08 08:31:09 -08:00
page-writeback.c	…
page_alloc.c	mm: introduce zone_reclaim struct	2009-01-08 08:31:07 -08:00
page_cgroup.c	…
page_io.c	…
page_isolation.c	…
pagewalk.c	…
pdflush.c	…
prio_tree.c	…
quicklist.c	…
readahead.c	…
rmap.c	…
shmem.c	memcg: fix shmem's swap accounting	2009-01-08 08:31:10 -08:00
shmem_acl.c	…
slab.c	…
slob.c	…
slub.c	…
sparse-vmemmap.c	…
sparse.c	…
swap.c	memcg: add zone_reclaim_stat	2009-01-08 08:31:08 -08:00
swap_state.c	…
swapfile.c	[CVE-2009-0029] System call wrappers part 26	2009-01-14 14:15:29 +01:00
thrash.c	…
truncate.c	…
util.c	…
vmalloc.c	revert "mm: vmalloc use mutex for purge"	2009-01-15 16:39:40 -08:00
vmscan.c	memcg: fix calculation of active_ratio	2009-01-08 08:31:09 -08:00
vmstat.c	…