The patch titled
Subject: mm-slub-improve-performance-by-skipping-checked-node-in-get_any_partial-fix
has been added to the -mm tree. Its filename is
mm-slub-improve-performance-by-skipping-checked-node-in-get_any_partial-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-slub-improve-performance-by-skipping-checked-node-in-get_any_partial-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-slub-improve-performance-by-skipping-checked-node-in-get_any_partial-fix.patch
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there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-slub-improve-performance-by-skipping-checked-node-in-get_any_partial-fix
rename variable, tweak comment
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Wei Yang <richard.weiyang@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/mm/slub.c~mm-slub-improve-performance-by-skipping-checked-node-in-get_any_partial-fix
+++ a/mm/slub.c
@@ -1873,7 +1873,7 @@ static void *get_partial_node(struct kme
* Get a page from somewhere. Search in increasing NUMA distances.
*/
static void *get_any_partial(struct kmem_cache *s, gfp_t flags,
- struct kmem_cache_cpu *c, int except)
+ struct kmem_cache_cpu *c, int exclude_nid)
{
#ifdef CONFIG_NUMA
struct zonelist *zonelist;
@@ -1911,7 +1911,7 @@ static void *get_any_partial(struct kmem
for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
struct kmem_cache_node *n;
- if (except == zone_to_nid(zone))
+ if (exclude_nid == zone_to_nid(zone))
continue;
n = get_node(s, zone_to_nid(zone));
@@ -1931,12 +1931,13 @@ static void *get_any_partial(struct kmem
}
}
/*
- * Fail to get object from this node, either because
- * 1. Fails in if check
- * 2. NULl object returns from get_partial_node()
- * Skip it next time.
+ * Failed to get an object from this node, either
+ * because
+ * 1. Failure in the above if check
+ * 2. NULL return from get_partial_node()
+ * So skip this node next time.
*/
- except = zone_to_nid(zone);
+ exclude_nid = zone_to_nid(zone);
}
} while (read_mems_allowed_retry(cpuset_mems_cookie));
#endif
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-cleancache-fix-corruption-on-missed-inode-invalidation-fix.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
mm.patch
mm-slab-remove-unnecessary-unlikely-fix.patch
mm-slub-record-final-state-of-slub-action-in-deactivate_slab-fix.patch
mm-slub-improve-performance-by-skipping-checked-node-in-get_any_partial-fix.patch
mm-page_owner-clamp-read-count-to-page_size-fix.patch
mm-hotplug-optimize-clear_hwpoisoned_pages-fix.patch
mm-ksm-do-not-block-on-page-lock-when-searching-stable-tree-fix.patch
mm-memory_hotplug-print-reason-for-the-offlining-failure-fix.patch
mm-memory_hotplug-be-more-verbose-for-memory-offline-failures-fix.patch
mm-convert-totalram_pages-and-totalhigh_pages-variables-to-atomic-checkpatch-fixes.patch
memory_hotplug-free-pages-as-higher-order-fix.patch
memory_hotplug-free-pages-as-higher-order-fix-fix.patch
fs-epoll-deal-with-wait_queue-only-once-fix.patch
exec-separate-mm_anonpages-and-rlimit_stack-accounting-checkpatch-fixes.patch
ipc-allow-boot-time-extension-of-ipcmni-from-32k-to-8m-checkpatch-fixes.patch
scripts-atomic-check-atomicssh-dont-assume-that-scripts-are-executable.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
