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Subject[RFC v2 27/34] mm, slub: don't disable irqs in slub_cpu_dead()
Date
slub_cpu_dead() cleans up for an offlined cpu from another cpu and calls only
functions that are now irq safe, so we don't need to disable irqs anymore.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
---
mm/slub.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 5a81189608e6..12d35d6a6eaa 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2498,14 +2498,10 @@ static void flush_all(struct kmem_cache *s)
static int slub_cpu_dead(unsigned int cpu)
{
struct kmem_cache *s;
- unsigned long flags;

mutex_lock(&slab_mutex);
- list_for_each_entry(s, &slab_caches, list) {
- local_irq_save(flags);
+ list_for_each_entry(s, &slab_caches, list)
__flush_cpu_slab(s, cpu);
- local_irq_restore(flags);
- }
mutex_unlock(&slab_mutex);
return 0;
}
--
2.31.1
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