diff mbox series

[RFC,20/26] mm, slub: discard slabs in unfreeze_partials() without irqs disabled

Message ID 20210524233946.20352-21-vbabka@suse.cz (mailing list archive)
State New, archived
Headers show
Series SLUB: use local_lock for kmem_cache_cpu protection and reduce disabling irqs | expand

Commit Message

Vlastimil Babka May 24, 2021, 11:39 p.m. UTC 
No need for disabled irqs when discarding slabs, so restore them before
discarding.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
---
 mm/slub.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/mm/slub.c b/mm/slub.c
index 446d2d5344c9..33c3faacf7b1 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2360,6 +2360,8 @@  static void unfreeze_partials(struct kmem_cache *s,
 	if (n)
 		spin_unlock(&n->list_lock);
 
+	local_irq_restore(flags);
+
 	while (discard_page) {
 		page = discard_page;
 		discard_page = discard_page->next;
@@ -2369,7 +2371,6 @@  static void unfreeze_partials(struct kmem_cache *s,
 		stat(s, FREE_SLAB);
 	}
 
-	local_irq_restore(flags);
 #endif	/* CONFIG_SLUB_CPU_PARTIAL */
 }