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mm/slub: add slub_get_cpu_partial() helper

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Add slub_get_cpu_partial() and dummy function to help improve
get_partial_node(). It can help remove #ifdef of CONFIG_SLUB_CPU_PARTIAL
and improve filling cpu partial logic.

Signed-off-by: Xiongwei Song <xiongwei.song@windriver.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Xiongwei Song 2024-04-04 13:58:25 +08:00 committed by Vlastimil Babka
parent acc8f4dbf1
commit 721a2f8be1
1 changed files with 10 additions and 0 deletions
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10
mm/slub.c
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@ -604,11 +604,21 @@ static void slub_set_cpu_partial(struct kmem_cache *s, unsigned int nr_objects)
nr_slabs = DIV_ROUND_UP(nr_objects * 2, oo_objects(s->oo)); nr_slabs = DIV_ROUND_UP(nr_objects * 2, oo_objects(s->oo));
s->cpu_partial_slabs = nr_slabs; s->cpu_partial_slabs = nr_slabs;
} }
static inline unsigned int slub_get_cpu_partial(struct kmem_cache *s)
{
return s->cpu_partial_slabs;
}
#else #else
static inline void static inline void
slub_set_cpu_partial(struct kmem_cache *s, unsigned int nr_objects) slub_set_cpu_partial(struct kmem_cache *s, unsigned int nr_objects)
{ {
} }
static inline unsigned int slub_get_cpu_partial(struct kmem_cache *s)
{
return 0;
}
#endif /* CONFIG_SLUB_CPU_PARTIAL */ #endif /* CONFIG_SLUB_CPU_PARTIAL */
/* /*