diff options
Diffstat (limited to 'include/linux/oom.h')
| -rw-r--r-- | include/linux/oom.h | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/include/linux/oom.h b/include/linux/oom.h index 7deecb7bc..03e625732 100644 --- a/include/linux/oom.h +++ b/include/linux/oom.h @@ -13,6 +13,27 @@ struct mem_cgroup; struct task_struct; /* + * Details of the page allocation that triggered the oom killer that are used to + * determine what should be killed. + */ +struct oom_control { + /* Used to determine cpuset */ + struct zonelist *zonelist; + + /* Used to determine mempolicy */ + nodemask_t *nodemask; + + /* Used to determine cpuset and node locality requirement */ + const gfp_t gfp_mask; + + /* + * order == -1 means the oom kill is required by sysrq, otherwise only + * for display purposes. + */ + const int order; +}; + +/* * Types of limitations to the nodes from which allocations may occur */ enum oom_constraint { @@ -57,21 +78,18 @@ extern unsigned long oom_badness(struct task_struct *p, extern int oom_kills_count(void); extern void note_oom_kill(void); -extern void oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order, +extern void oom_kill_process(struct oom_control *oc, struct task_struct *p, unsigned int points, unsigned long totalpages, - struct mem_cgroup *memcg, nodemask_t *nodemask, - const char *message); + struct mem_cgroup *memcg, const char *message); -extern void check_panic_on_oom(enum oom_constraint constraint, gfp_t gfp_mask, - int order, const nodemask_t *nodemask, +extern void check_panic_on_oom(struct oom_control *oc, + enum oom_constraint constraint, struct mem_cgroup *memcg); -extern enum oom_scan_t oom_scan_process_thread(struct task_struct *task, - unsigned long totalpages, const nodemask_t *nodemask, - bool force_kill); +extern enum oom_scan_t oom_scan_process_thread(struct oom_control *oc, + struct task_struct *task, unsigned long totalpages); -extern bool out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, - int order, nodemask_t *mask, bool force_kill); +extern bool out_of_memory(struct oom_control *oc); extern void exit_oom_victim(void); |