diff options
Diffstat (limited to 'include/linux/vmpressure.h')
| -rw-r--r-- | include/linux/vmpressure.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/vmpressure.h b/include/linux/vmpressure.h index 76be077340ea..6a2f51ebbfd3 100644 --- a/include/linux/vmpressure.h +++ b/include/linux/vmpressure.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_VMPRESSURE_H #define __LINUX_VMPRESSURE_H @@ -7,12 +8,16 @@ #include <linux/gfp.h> #include <linux/types.h> #include <linux/cgroup.h> +#include <linux/eventfd.h> struct vmpressure { unsigned long scanned; unsigned long reclaimed; + + unsigned long tree_scanned; + unsigned long tree_reclaimed; /* The lock is used to keep the scanned/reclaimed above in sync. */ - struct mutex sr_lock; + spinlock_t sr_lock; /* The list of vmpressure_event structs. */ struct list_head events; @@ -25,21 +30,21 @@ struct vmpressure { struct mem_cgroup; #ifdef CONFIG_MEMCG -extern void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, +extern void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, bool tree, unsigned long scanned, unsigned long reclaimed); 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); -extern int vmpressure_register_event(struct cgroup *cg, struct cftype *cft, +extern struct mem_cgroup *vmpressure_to_memcg(struct vmpressure *vmpr); +extern int vmpressure_register_event(struct mem_cgroup *memcg, struct eventfd_ctx *eventfd, const char *args); -extern void vmpressure_unregister_event(struct cgroup *cg, struct cftype *cft, +extern void vmpressure_unregister_event(struct mem_cgroup *memcg, struct eventfd_ctx *eventfd); #else -static inline void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, +static inline void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, bool tree, unsigned long scanned, unsigned long reclaimed) {} static inline void vmpressure_prio(gfp_t gfp, struct mem_cgroup *memcg, int prio) {} |