diff options
| author | Vlastimil Babka <vbabka@suse.cz> | 2021-05-21 01:16:54 +0200 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2021-09-04 01:12:22 +0200 |
| commit | 7cf9f3ba2f02216b2303e648c0c5439f00191008 (patch) | |
| tree | d2dfbea80c69dd8eead42b3a4a220266b20e8f97 /mm/slub.c | |
| parent | fc1455f4e023b278ca73cb729bc50037dc48c45c (diff) | |
| download | linux-rt-7cf9f3ba2f02216b2303e648c0c5439f00191008.tar.gz | |
mm, slub: only disable irq with spin_lock in __unfreeze_partials()
__unfreeze_partials() no longer needs to have irqs disabled, except for making
the spin_lock operations irq-safe, so convert the spin_locks operations and
remove the separate irq handling.
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/mm/slub.c b/mm/slub.c index 9b46d9b9c879..c5766e504e73 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2352,9 +2352,7 @@ static void __unfreeze_partials(struct kmem_cache *s, struct page *partial_page) { struct kmem_cache_node *n = NULL, *n2 = NULL; struct page *page, *discard_page = NULL; - unsigned long flags; - - local_irq_save(flags); + unsigned long flags = 0; while (partial_page) { struct page new; @@ -2366,10 +2364,10 @@ static void __unfreeze_partials(struct kmem_cache *s, struct page *partial_page) n2 = get_node(s, page_to_nid(page)); if (n != n2) { if (n) - spin_unlock(&n->list_lock); + spin_unlock_irqrestore(&n->list_lock, flags); n = n2; - spin_lock(&n->list_lock); + spin_lock_irqsave(&n->list_lock, flags); } do { @@ -2398,9 +2396,7 @@ static void __unfreeze_partials(struct kmem_cache *s, struct page *partial_page) } if (n) - spin_unlock(&n->list_lock); - - local_irq_restore(flags); + spin_unlock_irqrestore(&n->list_lock, flags); while (discard_page) { page = discard_page; |