The patch titled
slub: add might_sleep_if()
has been added to the -mm tree. Its filename is
slub-add-might_sleep_if.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: slub: add might_sleep_if()
From: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
Currently SLUB doesn't warn about __GFP_WAIT. Add it into slab_alloc().
Signed-off-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
Acked-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slub.c | 1 +
1 file changed, 1 insertion(+)
diff -puN mm/slub.c~slub-add-might_sleep_if mm/slub.c
--- a/mm/slub.c~slub-add-might_sleep_if
+++ a/mm/slub.c
@@ -1616,6 +1616,7 @@ static __always_inline void *slab_alloc(
unsigned long flags;
unsigned int objsize;
+ might_sleep_if(gfpflags & __GFP_WAIT);
local_irq_save(flags);
c = get_cpu_slab(s, smp_processor_id());
objsize = c->objsize;
_
Patches currently in -mm which might be from hirofumi@xxxxxxxxxxxxxxxxxx are
linux-next.patch
slub-add-might_sleep_if.patch
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