Merge branch 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

[firefly-linux-kernel-4.4.55.git] / include / linux / vmpressure.h

diff --git a/include/linux/vmpressure.h b/include/linux/vmpressure.h
index b239482bd39ddd1e684ba78261ad6f98810e6ca7..3f3788d4936292ce150a6cb4b56036a58c541128 100644 (file)
--- a/include/linux/vmpressure.h
+++ b/include/linux/vmpressure.h
@@ -12,7 +12,7 @@ struct vmpressure {
        unsigned long scanned;
        unsigned long reclaimed;
        /* The lock is used to keep the scanned/reclaimed above in sync. */
-       struct mutex sr_lock;
+       struct spinlock sr_lock;
 
        /* The list of vmpressure_event structs. */
        struct list_head events;
@@ -30,6 +30,7 @@ extern void vmpressure(gfp_t gfp, struct mem_cgroup *memcg,
 extern void vmpressure_prio(gfp_t gfp, struct mem_cgroup *memcg, int prio);
 
 extern void vmpressure_init(struct vmpressure *vmpr);
+extern void vmpressure_cleanup(struct vmpressure *vmpr);
 extern struct vmpressure *memcg_to_vmpressure(struct mem_cgroup *memcg);
 extern struct cgroup_subsys_state *vmpressure_to_css(struct vmpressure *vmpr);
 extern struct vmpressure *css_to_vmpressure(struct cgroup_subsys_state *css);