Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3d3820be authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Gerrit - the friendly Code Review server
Browse files

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.

Change-Id: I3e5d7dbe7d264c2bbeab46db6e0cb8fc9a20e607
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>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Git-commit: 87cc271d5e4320d705cfdf59f68d4d037b3511b2
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: default avatarPrakash Gupta <guptap@codeaurora.org>
parent 146accde

lib/stackdepot.c

+1 −0
Original line number Diff line number Diff line
@@ -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);