[PATCH v6 22/33] mm, slub: discard slabs in unfreeze_partials() without irqs disabled
STALE1851d
From: Vlastimil Babka <hidden>
Date: 2021-09-04 10:51:46
Also in:
lkml
Subsystem:
memory management, slab allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Harry Yoo, Linus Torvalds
Revision v6 of 4 in this series.
Revisions (4)
- v3 [diff vs current]
- v4 [diff vs current]
- v5 [diff vs current]
- v6 current
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 1c4bd45d66a1..0a1e048d0db7 100644
--- 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 */ }
--
2.33.0