[V4 PATCH 03/26] slub, hotplug: ignore unrelated node's hot-adding and hot-removing

Lai Jiangshan
2012-09-10T09:05:35Z

SLUB only fucus on the nodes which has normal memory, so ignore the other
node's hot-adding and hot-removing.

so we only do something when marg->status_change_nid_normal > 0.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
mm/slub.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 8f78e25..7a1d02c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3572,7 +3572,7 @@ static void slab_mem_offline_callback(void *arg)
struct memory_notify *marg = arg;
int offline_node;

- offline_node = marg->status_change_nid;
+ offline_node = marg->status_change_nid_normal;

/*
* If the node still has available memory. we need kmem_cache_node
@@ -3605,7 +3605,7 @@ static int slab_mem_going_online_callback(void *arg)
struct kmem_cache_node *n;
struct kmem_cache *s;
struct memory_notify *marg = arg;
- int nid = marg->status_change_nid;
+ int nid = marg->status_change_nid_normal;
int ret = 0;

/*
--
1.7.1