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Giridhar Pemmasani 5211e6e6c6 [PATCH] Fix GFP_HIGHMEM slab panic 
As reported by Martin J. Bligh <mbligh@google.com>, we let through some
non-slab bits to slab allocation through __get_vm_area_node when doing a
vmalloc.

I haven't been able to reproduce this, although I understand why it
happens: vmalloc allocates memory with

GFP_KERNEL | __GFP_HIGHMEM

and commit 52fd24ca1d resulted in the same
flags are passed down to cache_alloc_refill, causing the BUG.  The
following patch fixes it.

Note that when calling kmalloc_node, I am masking off __GFP_HIGHMEM with
GFP_LEVEL_MASK, whereas __vmalloc_area_node does the same with

~(__GFP_HIGHMEM | __GFP_ZERO).

IMHO, using GFP_LEVEL_MASK is preferable, but either should fix this
problem.

Signed-off-by: Giridhar Pemmasani (pgiri@yahoo.com)
Cc: Martin J. Bligh <mbligh@google.com>
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-29 08:01:58 -08:00
..
allocpercpu.c [PATCH] Extract the allocpercpu functions from the slab allocator 2006-09-26 08:48:51 -07:00
backing-dev.c [PATCH] separate bdi congestion functions from queue congestion functions 2006-10-20 10:26:35 -07:00
bootmem.c [PATCH] bootmem: use MAX_DMA_ADDRESS instead of LOW32LIMIT 2006-09-26 08:48:49 -07:00
bounce.c [PATCH] BLOCK: Separate the bounce buffering code from the highmem code [try #6] 2006-09-30 20:32:11 +02:00
fadvise.c
filemap.c [PATCH] mm: clean up pagecache allocation 2006-10-28 11:30:50 -07:00
filemap.h Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
filemap_xip.c
fremap.c [PATCH] paravirt: pte clear not present 2006-10-01 00:39:33 -07:00
highmem.c [PATCH] BLOCK: Separate the bounce buffering code from the highmem code [try #6] 2006-09-30 20:32:11 +02:00
hugetlb.c [PATCH] hugetlb: fix absurd HugePages_Rsvd 2006-10-28 11:30:53 -07:00
internal.h [PATCH] mm: VM_BUG_ON 2006-09-26 08:48:44 -07:00
Kconfig Fix "can not" in Documentation and Kconfig 2006-10-03 22:53:09 +02:00
madvise.c
Makefile [PATCH] separate bdi congestion functions from queue congestion functions 2006-10-20 10:26:35 -07:00
memory.c [PATCH] mm: D-cache aliasing issue in cow_user_page 2006-10-20 10:26:43 -07:00
memory_hotplug.c [PATCH] hot-add-mem x86_64: use CONFIG_MEMORY_HOTPLUG_RESERVE 2006-10-01 00:39:18 -07:00
mempolicy.c [PATCH] Fix do_mbind warning with CONFIG_MIGRATION=n 2006-10-11 11:14:19 -07:00
mempool.c [PATCH] dm: work around mempool_alloc, bio_alloc_bioset deadlocks 2006-09-01 11:39:09 -07:00
migrate.c [PATCH] BLOCK: Make it possible to disable the block layer [try #6] 2006-09-30 20:52:31 +02:00
mincore.c
mlock.c
mmap.c Fix VM_MAYEXEC calculation 2006-10-15 14:09:55 -07:00
mmzone.c
mprotect.c [PATCH] paravirt: lazy mmu mode hooks.patch 2006-10-01 00:39:33 -07:00
mremap.c [PATCH] paravirt: lazy mmu mode hooks.patch 2006-10-01 00:39:33 -07:00
msync.c [PATCH] mm: msync() cleanup 2006-09-26 08:48:45 -07:00
nommu.c Spelling fix: "control" instead of "cotrol" 2006-10-03 23:21:02 +02:00
oom_kill.c [PATCH] OOM killer meets userspace headers 2006-10-20 10:26:38 -07:00
page-writeback.c [PATCH] separate bdi congestion functions from queue congestion functions 2006-10-20 10:26:35 -07:00
page_alloc.c [PATCH] Calculation fix for memory holes beyong the end of physical memory 2006-10-28 11:30:55 -07:00
page_io.c [PATCH] swsusp: read speedup 2006-09-26 08:48:58 -07:00
pdflush.c
prio_tree.c
readahead.c
rmap.c [PATCH] mm: more commenting on lock ordering 2006-10-20 10:26:44 -07:00
shmem.c [PATCH] separate bdi congestion functions from queue congestion functions 2006-10-20 10:26:35 -07:00
shmem_acl.c [PATCH] Fix typos in mm/shmem_acl.c 2006-10-11 11:14:23 -07:00
slab.c [PATCH] Slab: Do not fallback to nodes that have not been bootstrapped yet 2006-10-21 13:35:06 -07:00
slob.c [PATCH] Make kmem_cache_destroy() return void 2006-09-27 08:26:11 -07:00
sparse.c [PATCH] memory hotplug: __GFP_NOWARN is better for __kmalloc_section_memmap() 2006-10-28 11:30:52 -07:00
swap.c [PATCH] mm/: make functions static 2006-09-26 08:48:45 -07:00
swap_state.c
swapfile.c [PATCH] valid_swaphandles() fix 2006-09-29 09:18:23 -07:00
thrash.c
tiny-shmem.c
truncate.c [PATCH] invalidate: remove_mapping() fix 2006-10-17 08:18:43 -07:00
util.c [PATCH] slab: clean up leak tracking ifdefs a little bit 2006-10-04 07:55:13 -07:00
vmalloc.c [PATCH] Fix GFP_HIGHMEM slab panic 2006-10-29 08:01:58 -08:00
vmscan.c [PATCH] Use min of two prio settings in calculating distress for reclaim 2006-10-28 11:30:51 -07:00
vmstat.c [PATCH] vmscan: Fix temp_priority race 2006-10-28 11:30:50 -07:00