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| author | Dave Hansen <[email protected]> | 2014-01-29 22:05:50 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-01-30 00:22:40 +0000 |
| commit | a0132ac0f275434db32111b8cf7372d991899da3 (patch) | |
| tree | 5fb93dbdc8292182d7b1c5505cbeea00c985276c /lib/dma-debug.c | |
| parent | slab: fix wrong retval on kmem_cache_create_memcg error path (diff) | |
| download | kernel-a0132ac0f275434db32111b8cf7372d991899da3.tar.gz kernel-a0132ac0f275434db32111b8cf7372d991899da3.zip | |
mm/slub.c: do not VM_BUG_ON_PAGE() for temporary on-stack pages
Commit 309381feaee5 ("mm: dump page when hitting a VM_BUG_ON using
VM_BUG_ON_PAGE") added a bunch of VM_BUG_ON_PAGE() calls.
But, most of the ones in the slub code are for _temporary_ 'struct
page's which are declared on the stack and likely have lots of gunk in
them. Dumping their contents out will just confuse folks looking at
bad_page() output. Plus, if we try to page_to_pfn() on them or
soemthing, we'll probably oops anyway.
Turn them back in to VM_BUG_ON()s.
Signed-off-by: Dave Hansen <[email protected]>
Cc: Sasha Levin <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: Pekka Enberg <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/dma-debug.c')
0 files changed, 0 insertions, 0 deletions