Subject: + ksm-remove-redundant-__gfp_zero-from-kcalloc.patch added to -mm tree
To: joe@xxxxxxxxxxx,liwanp@xxxxxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 13 Sep 2013 14:48:03 -0700
The patch titled
Subject: ksm: Remove redundant __GFP_ZERO from kcalloc
has been added to the -mm tree. Its filename is
ksm-remove-redundant-__gfp_zero-from-kcalloc.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ksm-remove-redundant-__gfp_zero-from-kcalloc.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ksm-remove-redundant-__gfp_zero-from-kcalloc.patch
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------------------------------------------------------
From: Joe Perches <joe@xxxxxxxxxxx>
Subject: ksm: Remove redundant __GFP_ZERO from kcalloc
kcalloc returns zeroed memory. There's no need to use this flag.
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Reviewed-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/ksm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN mm/ksm.c~ksm-remove-redundant-__gfp_zero-from-kcalloc mm/ksm.c
--- a/mm/ksm.c~ksm-remove-redundant-__gfp_zero-from-kcalloc
+++ a/mm/ksm.c
@@ -2309,8 +2309,8 @@ static ssize_t merge_across_nodes_store(
* Allocate stable and unstable together:
* MAXSMP NODES_SHIFT 10 will use 16kB.
*/
- buf = kcalloc(nr_node_ids + nr_node_ids,
- sizeof(*buf), GFP_KERNEL | __GFP_ZERO);
+ buf = kcalloc(nr_node_ids + nr_node_ids, sizeof(*buf),
+ GFP_KERNEL);
/* Let us assume that RB_ROOT is NULL is zero */
if (!buf)
err = -ENOMEM;
_
Patches currently in -mm which might be from joe@xxxxxxxxxxx are
origin.patch
kernel-timerc-convert-kmalloc_nodegfp_zero-to-kzalloc_node.patch
ksm-remove-redundant-__gfp_zero-from-kcalloc.patch
linux-next.patch
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