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| author | Kirill A. Shutemov <kirill@shutemov.name> | 2016-07-28 15:49:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-28 16:07:41 -0700 |
| commit | 87cc271d5e4320d705cfdf59f68d4d037b3511b2 (patch) | |
| tree | 5fb2aa47513f3d7385da242d7100e37177876b48 /lib | |
| parent | 80a9201a5965f4715d5c09790862e0df84ce0614 (diff) | |
| download | linux-87cc271d5e4320d705cfdf59f68d4d037b3511b2.tar.gz linux-87cc271d5e4320d705cfdf59f68d4d037b3511b2.tar.bz2 linux-87cc271d5e4320d705cfdf59f68d4d037b3511b2.zip | |
lib/stackdepot.c: use __GFP_NOWARN for stack allocations
This (large, atomic) allocation attempt can fail. We expect and handle
that, so avoid the scary warning.
Link: http://lkml.kernel.org/r/20160720151905.GB19146@node.shutemov.name
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Rik van Riel <riel@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/stackdepot.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 53ad6c0831ae..60f77f1d470a 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -242,6 +242,7 @@ depot_stack_handle_t depot_save_stack(struct stack_trace *trace, */ alloc_flags &= ~GFP_ZONEMASK; alloc_flags &= (GFP_ATOMIC | GFP_KERNEL); + alloc_flags |= __GFP_NOWARN; page = alloc_pages(alloc_flags, STACK_ALLOC_ORDER); if (page) prealloc = page_address(page); |