The patch titled
Subject: mm-kasan-switch-slub-to-stackdepot-enable-memory-quarantine-for-slub-fix
has been added to the -mm tree. Its filename is
mm-kasan-switch-slub-to-stackdepot-enable-memory-quarantine-for-slub-fix-2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-kasan-switch-slub-to-stackdepot-enable-memory-quarantine-for-slub-fix-2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-kasan-switch-slub-to-stackdepot-enable-memory-quarantine-for-slub-fix-2.patch
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------------------------------------------------------
From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Subject: mm-kasan-switch-slub-to-stackdepot-enable-memory-quarantine-for-slub-fix
use __GFP_NOWARN for stack
Link: http://lkml.kernel.org/r/20160720151905.GB19146@xxxxxxxxxxxxxxxxxx
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/stackdepot.c | 1 +
1 file changed, 1 insertion(+)
diff -puN lib/stackdepot.c~mm-kasan-switch-slub-to-stackdepot-enable-memory-quarantine-for-slub-fix-2 lib/stackdepot.c
--- a/lib/stackdepot.c~mm-kasan-switch-slub-to-stackdepot-enable-memory-quarantine-for-slub-fix-2
+++ a/lib/stackdepot.c
@@ -242,6 +242,7 @@ depot_stack_handle_t depot_save_stack(st
*/
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);
_
Patches currently in -mm which might be from kirill@xxxxxxxxxxxxx are
mm-kasan-switch-slub-to-stackdepot-enable-memory-quarantine-for-slub-fix-2.patch
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