The patch titled
Subject: mm/slub.c: page is always non-NULL in node_match()
has been added to the -mm tree. Its filename is
mm-slub-page-is-always-non-null-for-node_match.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-slub-page-is-always-non-null-for-node_match.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-slub-page-is-always-non-null-for-node_match.patch
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------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: mm/slub.c: page is always non-NULL in node_match()
node_match() is a static function and is only invoked in slub.c.
In all three places, `page' is ensured to be valid.
Link: http://lkml.kernel.org/r/20181106150245.1668-1-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Acked-by: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/slub.c~mm-slub-page-is-always-non-null-for-node_match
+++ a/mm/slub.c
@@ -2365,7 +2365,7 @@ static int slub_cpu_dead(unsigned int cp
static inline int node_match(struct page *page, int node)
{
#ifdef CONFIG_NUMA
- if (!page || (node != NUMA_NO_NODE && page_to_nid(page) != node))
+ if (node != NUMA_NO_NODE && page_to_nid(page) != node)
return 0;
#endif
return 1;
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
mm-slub-remove-validation-on-cpu_slab-in-__flush_cpu_slab.patch
mm-slub-page-is-always-non-null-for-node_match.patch
