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| author | David Rientjes <rientjes@google.com> | 2009-05-28 14:34:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-05-29 08:40:01 -0700 |
| commit | 6d2661ede5f20f968422e790af3334908c3bc857 (patch) | |
| tree | 2e002d883eee9be5c52d844a7b0c3354338d8995 /mm/filemap_xip.c | |
| parent | 681a1b4032d72f4ad6d4beed751bc65574572746 (diff) | |
oom: fix possible oom_dump_tasks NULL pointer
When /proc/sys/vm/oom_dump_tasks is enabled, it is possible to get a NULL
pointer for tasks that have detached mm's since task_lock() is not held
during the tasklist scan. Add the task_lock().
Acked-by: Nick Piggin <npiggin@suse.de>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/filemap_xip.c')
0 files changed, 0 insertions, 0 deletions