The patch titled
Subject: mm/slub.c: remove a redundant assignment in ___slab_alloc()
has been added to the -mm tree. Its filename is
mm-slub-remove-a-redundant-assignment-in-___slab_alloc.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-slub-remove-a-redundant-assignment-in-___slab_alloc.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-slub-remove-a-redundant-assignment-in-___slab_alloc.patch
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------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: mm/slub.c: remove a redundant assignment in ___slab_alloc()
When the code comes to this point, there are two cases:
1. cpu_slab is deactivated
2. cpu_slab is empty
In both cased, cpu_slab->freelist is NULL at this moment.
This patch removes the redundant assignment of cpu_slab->freelist.
Link: http://lkml.kernel.org/r/20170507031215.3130-1-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Cc: 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 | 1 -
1 file changed, 1 deletion(-)
diff -puN mm/slub.c~mm-slub-remove-a-redundant-assignment-in-___slab_alloc mm/slub.c
--- a/mm/slub.c~mm-slub-remove-a-redundant-assignment-in-___slab_alloc
+++ a/mm/slub.c
@@ -2572,7 +2572,6 @@ new_slab:
page = c->page = c->partial;
c->partial = page->next;
stat(s, CPU_PARTIAL_ALLOC);
- c->freelist = NULL;
goto redo;
}
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
mm-slub-remove-a-redundant-assignment-in-___slab_alloc.patch
mm-slub-reset-cpu_slabs-pointer-in-deactivate_slab.patch
mm-page_alloc-return-0-in-case-this-node-has-no-page-within-the-zone.patch
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