[RFC v2 23/34] mm, slub: discard slabs in unfreeze_partials() without irqs disabled
From: Vlastimil Babka <hidden>
Date: 2021-06-09 11:40:55
Also in:
lkml
Subsystem:
memory management, slab allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Harry Yoo, Linus Torvalds
No need for disabled irqs when discarding slabs, so restore them before discarding. Signed-off-by: Vlastimil Babka <redacted> --- mm/slub.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
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 */ }
--
2.31.1