mm, slub: discard slabs in unfreeze_partials() without irqs disabled

No need for disabled irqs when discarding slabs, so restore them before discarding. Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
mariux64 · Sep 3, 2021 · 8de06a6 · 8de06a6
1 parent f3ab8b6
commit 8de06a6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mm/slub.c b/mm/slub.c
@@ -2406,6 +2406,8 @@ 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;
@@ -2415,7 +2417,6 @@ static void unfreeze_partials(struct kmem_cache *s,
 		stat(s, FREE_SLAB);
 	}
 
-	local_irq_restore(flags);
 #endif	/* CONFIG_SLUB_CPU_PARTIAL */
 }