Commit 0e7ac738 authored by Vlastimil Babka's avatar Vlastimil Babka
Browse files

mm, slub: don't disable irqs in slub_cpu_dead() 



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: default avatarVlastimil Babka <vbabka@suse.cz>
parent 7cf9f3ba

mm/slub.c

+1 −5
Original line number Diff line number Diff line
@@ -2554,14 +2554,10 @@ 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;

}