diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
| commit | e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch) | |
| tree | 1db5a0540a4eecfad9b7daee476b985e82ddc810 /include/linux/oom.h | |
| parent | ec62dbd7eb8e3dddb221da89ecbcea0fc3dee8c1 (diff) | |
| parent | b2c1e07b81a126e5846dfc3d36f559d861df59f4 (diff) | |
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I
suspect now need another rename.
Conflicts:
arch/arm/mach-mx2/clock_imx27.c
arch/arm/mach-mx2/devices.c
arch/arm/mach-omap2/board-rx51-peripherals.c
arch/arm/mach-omap2/board-zoom2.c
sound/soc/fsl/mpc5200_dma.c
sound/soc/fsl/mpc5200_dma.h
sound/soc/fsl/mpc8610_hpcd.c
sound/soc/pxa/spitz.c
Diffstat (limited to 'include/linux/oom.h')
| -rw-r--r-- | include/linux/oom.h | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/include/linux/oom.h b/include/linux/oom.h index 53766231562..5e3aa8311c5 100644 --- a/include/linux/oom.h +++ b/include/linux/oom.h @@ -1,19 +1,34 @@ #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 is deprecated, see + * Documentation/feature-removal-schedule.txt. + * + * /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> struct zonelist; struct notifier_block; +struct mem_cgroup; +struct task_struct; /* * Types of limitations to the nodes from which allocations may occur @@ -22,9 +37,12 @@ enum oom_constraint { CONSTRAINT_NONE, CONSTRAINT_CPUSET, CONSTRAINT_MEMORY_POLICY, + CONSTRAINT_MEMCG, }; -extern int try_set_zone_oom(struct zonelist *zonelist, gfp_t gfp_flags); +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); extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, @@ -43,5 +61,16 @@ static inline void oom_killer_enable(void) { oom_killer_disabled = false; } + +/* The badness from the OOM killer */ +extern unsigned long badness(struct task_struct *p, struct mem_cgroup *mem, + const nodemask_t *nodemask, unsigned long uptime); + +extern struct task_struct *find_lock_task_mm(struct task_struct *p); + +/* sysctls */ +extern int sysctl_oom_dump_tasks; +extern int sysctl_oom_kill_allocating_task; +extern int sysctl_panic_on_oom; #endif /* __KERNEL__*/ #endif /* _INCLUDE_LINUX_OOM_H */ |