diff mbox series

[RFC,v2,23/34] mm, slub: discard slabs in unfreeze_partials() without irqs disabled

Message ID 20210609113903.1421-24-vbabka@suse.cz (mailing list archive)
State New
Headers show
Series SLUB: reduce irq disabled scope and make it RT compatible | expand

Commit Message

Vlastimil Babka June 9, 2021, 11:38 a.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 4a3cd8174cd2..dcbc5baea702 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2346,6 +2346,8 @@  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;
@@ -2355,7 +2357,6 @@  static void unfreeze_partials(struct kmem_cache *s,
 		stat(s, FREE_SLAB);
 	}
 
-	local_irq_restore(flags);
 #endif	/* CONFIG_SLUB_CPU_PARTIAL */
 }