* [PATCH 1/2] mm,oom: Remove unused argument from oom_scan_process_thread().
@ 2016-05-21 2:00 Tetsuo Handa
2016-05-23 8:13 ` Michal Hocko
0 siblings, 1 reply; 2+ messages in thread
From: Tetsuo Handa @ 2016-05-21 2:00 UTC (permalink / raw)
To: mhocko, akpm, rientjes; +Cc: linux-mm, Tetsuo Handa
oom_scan_process_thread() does not use totalpages argument.
oom_badness() uses it.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
---
include/linux/oom.h | 2 +-
mm/memcontrol.c | 2 +-
mm/oom_kill.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 8346952..c63de01 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -90,7 +90,7 @@ extern void check_panic_on_oom(struct oom_control *oc,
struct mem_cgroup *memcg);
extern enum oom_scan_t oom_scan_process_thread(struct oom_control *oc,
- struct task_struct *task, unsigned long totalpages);
+ struct task_struct *task);
extern bool out_of_memory(struct oom_control *oc);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index ab574d8..49cee6f 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1287,7 +1287,7 @@ static bool mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
css_task_iter_start(&iter->css, &it);
while ((task = css_task_iter_next(&it))) {
- switch (oom_scan_process_thread(&oc, task, totalpages)) {
+ switch (oom_scan_process_thread(&oc, task)) {
case OOM_SCAN_SELECT:
if (chosen)
put_task_struct(chosen);
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 8e151d0..743afdd 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -274,7 +274,7 @@ static enum oom_constraint constrained_alloc(struct oom_control *oc,
#endif
enum oom_scan_t oom_scan_process_thread(struct oom_control *oc,
- struct task_struct *task, unsigned long totalpages)
+ struct task_struct *task)
{
if (oom_unkillable_task(task, NULL, oc->nodemask))
return OOM_SCAN_CONTINUE;
@@ -311,7 +311,7 @@ static struct task_struct *select_bad_process(struct oom_control *oc,
for_each_process(p) {
unsigned int points;
- switch (oom_scan_process_thread(oc, p, totalpages)) {
+ switch (oom_scan_process_thread(oc, p)) {
case OOM_SCAN_SELECT:
chosen = p;
chosen_points = ULONG_MAX;
--
1.8.3.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH 1/2] mm,oom: Remove unused argument from oom_scan_process_thread().
2016-05-21 2:00 [PATCH 1/2] mm,oom: Remove unused argument from oom_scan_process_thread() Tetsuo Handa
@ 2016-05-23 8:13 ` Michal Hocko
0 siblings, 0 replies; 2+ messages in thread
From: Michal Hocko @ 2016-05-23 8:13 UTC (permalink / raw)
To: Tetsuo Handa; +Cc: akpm, rientjes, linux-mm
On Sat 21-05-16 11:00:41, Tetsuo Handa wrote:
> oom_scan_process_thread() does not use totalpages argument.
> oom_badness() uses it.
>
> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Michal Hocko <mhocko@suse.com>
> ---
> include/linux/oom.h | 2 +-
> mm/memcontrol.c | 2 +-
> mm/oom_kill.c | 4 ++--
> 3 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/include/linux/oom.h b/include/linux/oom.h
> index 8346952..c63de01 100644
> --- a/include/linux/oom.h
> +++ b/include/linux/oom.h
> @@ -90,7 +90,7 @@ extern void check_panic_on_oom(struct oom_control *oc,
> struct mem_cgroup *memcg);
>
> extern enum oom_scan_t oom_scan_process_thread(struct oom_control *oc,
> - struct task_struct *task, unsigned long totalpages);
> + struct task_struct *task);
>
> extern bool out_of_memory(struct oom_control *oc);
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index ab574d8..49cee6f 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -1287,7 +1287,7 @@ static bool mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
>
> css_task_iter_start(&iter->css, &it);
> while ((task = css_task_iter_next(&it))) {
> - switch (oom_scan_process_thread(&oc, task, totalpages)) {
> + switch (oom_scan_process_thread(&oc, task)) {
> case OOM_SCAN_SELECT:
> if (chosen)
> put_task_struct(chosen);
> diff --git a/mm/oom_kill.c b/mm/oom_kill.c
> index 8e151d0..743afdd 100644
> --- a/mm/oom_kill.c
> +++ b/mm/oom_kill.c
> @@ -274,7 +274,7 @@ static enum oom_constraint constrained_alloc(struct oom_control *oc,
> #endif
>
> enum oom_scan_t oom_scan_process_thread(struct oom_control *oc,
> - struct task_struct *task, unsigned long totalpages)
> + struct task_struct *task)
> {
> if (oom_unkillable_task(task, NULL, oc->nodemask))
> return OOM_SCAN_CONTINUE;
> @@ -311,7 +311,7 @@ static struct task_struct *select_bad_process(struct oom_control *oc,
> for_each_process(p) {
> unsigned int points;
>
> - switch (oom_scan_process_thread(oc, p, totalpages)) {
> + switch (oom_scan_process_thread(oc, p)) {
> case OOM_SCAN_SELECT:
> chosen = p;
> chosen_points = ULONG_MAX;
> --
> 1.8.3.1
--
Michal Hocko
SUSE Labs
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