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authorJohannes Weiner <jweiner@redhat.com>2012-01-12 17:18:32 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-12 20:13:06 -0800
commit72835c86ca15d0126354b73d5f29ce9194931c9b (patch)
tree369f31168b405e4d597b3cd067a1fd0ac2025dbc /mm/oom_kill.c
parentec0fffd84b162e0563a28a81aa049f946b31a8e2 (diff)
downloadlinux-72835c86ca15d0126354b73d5f29ce9194931c9b.tar.gz
mm: unify remaining mem_cont, mem, etc. variable names to memcg
Signed-off-by: Johannes Weiner <jweiner@redhat.com> Acked-by: David Rientjes <rientjes@google.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Michal Hocko <mhocko@suse.cz> Cc: Balbir Singh <bsingharora@gmail.com> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/oom_kill.c')
-rw-r--r--mm/oom_kill.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 05c0f27d4ed..2958fd8e7c9 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -152,7 +152,7 @@ struct task_struct *find_lock_task_mm(struct task_struct *p)
/* return true if the task is not adequate as candidate victim task. */
static bool oom_unkillable_task(struct task_struct *p,
- const struct mem_cgroup *mem, const nodemask_t *nodemask)
+ const struct mem_cgroup *memcg, const nodemask_t *nodemask)
{
if (is_global_init(p))
return true;
@@ -160,7 +160,7 @@ static bool oom_unkillable_task(struct task_struct *p,
return true;
/* When mem_cgroup_out_of_memory() and p is not member of the group */
- if (mem && !task_in_mem_cgroup(p, mem))
+ if (memcg && !task_in_mem_cgroup(p, memcg))
return true;
/* p may not have freeable memory in nodemask */
@@ -179,12 +179,12 @@ static bool oom_unkillable_task(struct task_struct *p,
* predictable as possible. The goal is to return the highest value for the
* task consuming the most memory to avoid subsequent oom failures.
*/
-unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
+unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *memcg,
const nodemask_t *nodemask, unsigned long totalpages)
{
long points;
- if (oom_unkillable_task(p, mem, nodemask))
+ if (oom_unkillable_task(p, memcg, nodemask))
return 0;
p = find_lock_task_mm(p);
@@ -308,7 +308,7 @@ static enum oom_constraint constrained_alloc(struct zonelist *zonelist,
* (not docbooked, we don't want this one cluttering up the manual)
*/
static struct task_struct *select_bad_process(unsigned int *ppoints,
- unsigned long totalpages, struct mem_cgroup *mem,
+ unsigned long totalpages, struct mem_cgroup *memcg,
const nodemask_t *nodemask)
{
struct task_struct *g, *p;
@@ -320,7 +320,7 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
if (p->exit_state)
continue;
- if (oom_unkillable_task(p, mem, nodemask))
+ if (oom_unkillable_task(p, memcg, nodemask))
continue;
/*
@@ -364,7 +364,7 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
}
}
- points = oom_badness(p, mem, nodemask, totalpages);
+ points = oom_badness(p, memcg, nodemask, totalpages);
if (points > *ppoints) {
chosen = p;
*ppoints = points;
@@ -387,14 +387,14 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
*
* Call with tasklist_lock read-locked.
*/
-static void dump_tasks(const struct mem_cgroup *mem, const nodemask_t *nodemask)
+static void dump_tasks(const struct mem_cgroup *memcg, const nodemask_t *nodemask)
{
struct task_struct *p;
struct task_struct *task;
pr_info("[ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name\n");
for_each_process(p) {
- if (oom_unkillable_task(p, mem, nodemask))
+ if (oom_unkillable_task(p, memcg, nodemask))
continue;
task = find_lock_task_mm(p);
@@ -417,7 +417,7 @@ static void dump_tasks(const struct mem_cgroup *mem, const nodemask_t *nodemask)
}
static void dump_header(struct task_struct *p, gfp_t gfp_mask, int order,
- struct mem_cgroup *mem, const nodemask_t *nodemask)
+ struct mem_cgroup *memcg, const nodemask_t *nodemask)
{
task_lock(current);
pr_warning("%s invoked oom-killer: gfp_mask=0x%x, order=%d, "
@@ -427,10 +427,10 @@ static void dump_header(struct task_struct *p, gfp_t gfp_mask, int order,
cpuset_print_task_mems_allowed(current);
task_unlock(current);
dump_stack();
- mem_cgroup_print_oom_info(mem, p);
+ mem_cgroup_print_oom_info(memcg, p);
show_mem(SHOW_MEM_FILTER_NODES);
if (sysctl_oom_dump_tasks)
- dump_tasks(mem, nodemask);
+ dump_tasks(memcg, nodemask);
}
#define K(x) ((x) << (PAGE_SHIFT-10))
@@ -484,7 +484,7 @@ static int oom_kill_task(struct task_struct *p)
static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
unsigned int points, unsigned long totalpages,
- struct mem_cgroup *mem, nodemask_t *nodemask,
+ struct mem_cgroup *memcg, nodemask_t *nodemask,
const char *message)
{
struct task_struct *victim = p;
@@ -493,7 +493,7 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
unsigned int victim_points = 0;
if (printk_ratelimit())
- dump_header(p, gfp_mask, order, mem, nodemask);
+ dump_header(p, gfp_mask, order, memcg, nodemask);
/*
* If the task is already exiting, don't alarm the sysadmin or kill
@@ -524,7 +524,7 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
/*
* oom_badness() returns 0 if the thread is unkillable
*/
- child_points = oom_badness(child, mem, nodemask,
+ child_points = oom_badness(child, memcg, nodemask,
totalpages);
if (child_points > victim_points) {
victim = child;
@@ -561,7 +561,7 @@ static void check_panic_on_oom(enum oom_constraint constraint, gfp_t gfp_mask,
}
#ifdef CONFIG_CGROUP_MEM_RES_CTLR
-void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask)
+void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask)
{
unsigned long limit;
unsigned int points = 0;
@@ -578,14 +578,14 @@ void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask)
}
check_panic_on_oom(CONSTRAINT_MEMCG, gfp_mask, 0, NULL);
- limit = mem_cgroup_get_limit(mem) >> PAGE_SHIFT;
+ limit = mem_cgroup_get_limit(memcg) >> PAGE_SHIFT;
read_lock(&tasklist_lock);
retry:
- p = select_bad_process(&points, limit, mem, NULL);
+ p = select_bad_process(&points, limit, memcg, NULL);
if (!p || PTR_ERR(p) == -1UL)
goto out;
- if (oom_kill_process(p, gfp_mask, 0, points, limit, mem, NULL,
+ if (oom_kill_process(p, gfp_mask, 0, points, limit, memcg, NULL,
"Memory cgroup out of memory"))
goto retry;
out: