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mm/slab: Fix undefined init_cache_node_node() for NUMA and !SMP

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sh/migor_defconfig:

    mm/slab.c: In function ‘slab_memory_callback’:
    mm/slab.c:1127:23: error: implicit declaration of function ‘init_cache_node_node’; did you mean ‘drain_cache_node_node’? [-Werror=implicit-function-declaration]
     1127 |                 ret = init_cache_node_node(nid);
	  |                       ^~~~~~~~~~~~~~~~~~~~
	  |                       drain_cache_node_node

The #ifdef condition protecting the definition of init_cache_node_node()
no longer matches the conditions protecting the (multiple) users.

Fix this by syncing the conditions.

Fixes: 76af6a054d ("mm/migrate: add CPU hotplug to demotion #ifdef")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/b5bdea22-ed2f-3187-6efe-0c72330270a4@infradead.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Geert Uytterhoeven 2023-03-21 09:30:59 +01:00 committed by Vlastimil Babka
parent b45bc2e099
commit 66a1c22b70
1 changed files with 1 additions and 1 deletions
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2
mm/slab.c
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@ -839,7 +839,7 @@ static int init_cache_node(struct kmem_cache *cachep, int node, gfp_t gfp)
return 0;
}
#if (defined(CONFIG_NUMA) && defined(CONFIG_MEMORY_HOTPLUG)) || defined(CONFIG_SMP)
#if defined(CONFIG_NUMA) || defined(CONFIG_SMP)
/*
* Allocates and initializes node for a node on each slab cache, used for
* either memory or cpu hotplug. If memory is being hot-added, the kmem_cache_node