diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/memcontrol.h | 8 | ||||
-rw-r--r-- | include/linux/oom.h | 14 | ||||
-rw-r--r-- | include/linux/sched.h | 3 |
3 files changed, 23 insertions, 2 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 9f1afd361583..73564cac38c7 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -125,6 +125,8 @@ void mem_cgroup_update_file_mapped(struct page *page, int val); unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, gfp_t gfp_mask, int nid, int zid); +u64 mem_cgroup_get_limit(struct mem_cgroup *mem); + #else /* CONFIG_CGROUP_MEM_RES_CTLR */ struct mem_cgroup; @@ -304,6 +306,12 @@ unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, return 0; } +static inline +u64 mem_cgroup_get_limit(struct mem_cgroup *mem) +{ + return 0; +} + #endif /* CONFIG_CGROUP_MEM_CONT */ #endif /* _LINUX_MEMCONTROL_H */ diff --git a/include/linux/oom.h b/include/linux/oom.h index 40e5e3a6bc20..73b8d7b6dd19 100644 --- a/include/linux/oom.h +++ b/include/linux/oom.h @@ -1,14 +1,24 @@ #ifndef __INCLUDE_LINUX_OOM_H #define __INCLUDE_LINUX_OOM_H -/* /proc/<pid>/oom_adj set to -17 protects from the oom-killer */ +/* + * /proc/<pid>/oom_adj set to -17 protects from the oom-killer + */ #define OOM_DISABLE (-17) /* inclusive */ #define OOM_ADJUST_MIN (-16) #define OOM_ADJUST_MAX 15 +/* + * /proc/<pid>/oom_score_adj set to OOM_SCORE_ADJ_MIN disables oom killing for + * pid. + */ +#define OOM_SCORE_ADJ_MIN (-1000) +#define OOM_SCORE_ADJ_MAX 1000 + #ifdef __KERNEL__ +#include <linux/sched.h> #include <linux/types.h> #include <linux/nodemask.h> @@ -27,6 +37,8 @@ enum oom_constraint { CONSTRAINT_MEMCG, }; +extern unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem, + const nodemask_t *nodemask, unsigned long totalpages); extern int try_set_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags); extern void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags); diff --git a/include/linux/sched.h b/include/linux/sched.h index 9591907c4f79..ce160d68f5e7 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -621,7 +621,8 @@ struct signal_struct { struct tty_audit_buf *tty_audit_buf; #endif - int oom_adj; /* OOM kill score adjustment (bit shift) */ + int oom_adj; /* OOM kill score adjustment (bit shift) */ + int oom_score_adj; /* OOM kill score adjustment */ }; /* Context switch must be unlocked if interrupts are to be enabled */ |