slub: Discard slab page when node partial > minimum partial number
Discarding slab should be done when node partial > min_partial. Otherwise, node partial slab may eat up all memory. Signed-off-by: Alex Shi <alex.shi@intel.com> Acked-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
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@ -1953,7 +1953,7 @@ static void unfreeze_partials(struct kmem_cache *s)
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new.frozen = 0;
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if (!new.inuse && (!n || n->nr_partial < s->min_partial))
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if (!new.inuse && (!n || n->nr_partial > s->min_partial))
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m = M_FREE;
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else {
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struct kmem_cache_node *n2 = get_node(s,
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