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mm/slub: remove full list manipulation for non-debug slab
Since debug slab is processed by free_to_partial_list(), and only debug slab which has SLAB_STORE_USER flag would care about the full list, we can remove these unrelated full list manipulations from __slab_free(). Acked-by: Christoph Lameter (Ampere) <cl@linux.com> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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1 changed files with 0 additions and 4 deletions
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@ -4188,7 +4188,6 @@ static void __slab_free(struct kmem_cache *s, struct slab *slab,
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* then add it.
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* then add it.
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*/
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*/
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if (!kmem_cache_has_cpu_partial(s) && unlikely(!prior)) {
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if (!kmem_cache_has_cpu_partial(s) && unlikely(!prior)) {
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remove_full(s, n, slab);
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add_partial(n, slab, DEACTIVATE_TO_TAIL);
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add_partial(n, slab, DEACTIVATE_TO_TAIL);
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stat(s, FREE_ADD_PARTIAL);
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stat(s, FREE_ADD_PARTIAL);
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}
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}
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@ -4202,9 +4201,6 @@ static void __slab_free(struct kmem_cache *s, struct slab *slab,
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*/
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*/
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remove_partial(n, slab);
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remove_partial(n, slab);
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stat(s, FREE_REMOVE_PARTIAL);
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stat(s, FREE_REMOVE_PARTIAL);
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} else {
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/* Slab must be on the full list */
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remove_full(s, n, slab);
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}
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}
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spin_unlock_irqrestore(&n->list_lock, flags);
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spin_unlock_irqrestore(&n->list_lock, flags);
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