tree 503af52f3d2d7ae2d3cdccb648fcd7977658f9ea
parent 55b7c4c99f6a448f72179297fe6432544f220063
author David Rientjes <rientjes@google.com> 1390348272 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1390349989 -0800

mm, page_alloc: warn for non-blockable __GFP_NOFAIL allocation failure

__GFP_NOFAIL may return NULL when coupled with GFP_NOWAIT or GFP_ATOMIC.

Luckily, nothing currently does such craziness.  So instead of causing
such allocations to loop (potentially forever), we maintain the current
behavior and also warn about the new users of the deprecated flag.

Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>