Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9e86943b authored by Christoph Lameter's avatar Christoph Lameter Committed by Linus Torvalds
Browse files

SLUB: use atomic_long_read for atomic_long variables 



SLUB is using atomic_read() for variables declared atomic_long_t.
Switch to atomic_long_read().

Signed-off-by: default avatarChristoph Lameter <clameter@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent fe58103a

mm/slub.c

+3 −3
Original line number Diff line number Diff line
@@ -3112,7 +3112,7 @@ static int list_locations(struct kmem_cache *s, char *buf, 
		unsigned long flags;

		struct page *page;



		if (!atomic_read(&n->nr_slabs))

		if (!atomic_long_read(&n->nr_slabs))

			continue;



		spin_lock_irqsave(&n->list_lock, flags);
@@ -3247,7 +3247,7 @@ static unsigned long slab_objects(struct kmem_cache *s, 
		}



		if (flags & SO_FULL) {

			int full_slabs = atomic_read(&n->nr_slabs)

			int full_slabs = atomic_long_read(&n->nr_slabs)

					- per_cpu[node]

					- n->nr_partial;
@@ -3283,7 +3283,7 @@ static int any_slab_objects(struct kmem_cache *s) 
	for_each_node(node) {

		struct kmem_cache_node *n = get_node(s, node);



		if (n->nr_partial || atomic_read(&n->nr_slabs))

		if (n->nr_partial || atomic_long_read(&n->nr_slabs))

			return 1;

	}

	return 0;