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    Subject[RFC V3 PATCH 03/25] slub, hotplug: ignore unrelated node's hot-adding and hot-removing
    Date
    SLUB only fucus on the nodes which has normal memory, so ignore the other
    node's hot-adding and hot-removing.

    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 8c691fa..f8b137a 100644
    --- a/mm/slub.c
    +++ b/mm/slub.c
    @@ -3568,7 +3568,7 @@ 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
    @@ -3601,7 +3601,7 @@ 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;

    /*
    --
    1.7.4.4


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