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From: Vlastimil Babka <vbabka@suse.cz>
Date: Thu, 29 Jul 2021 15:21:20 +0200
Subject: [PATCH 23/35] 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>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
mm/slub.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2392,6 +2392,8 @@ static void unfreeze_partials(struct kme
if (n)
spin_unlock(&n->list_lock);
+ local_irq_restore(flags);
+
while (discard_page) {
page = discard_page;
discard_page = discard_page->next;
@@ -2401,7 +2403,6 @@ static void unfreeze_partials(struct kme
stat(s, FREE_SLAB);
}
- local_irq_restore(flags);
#endif /* CONFIG_SLUB_CPU_PARTIAL */
}
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