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[v2] mm, oom: Fix a comment in dump_task

Message ID 20210115142314.12903-1-tangyizhou@huawei.com (mailing list archive)
State New, archived
Headers show
Series [v2] mm, oom: Fix a comment in dump_task | expand

Commit Message

Tang Yizhou Jan. 15, 2021, 2:23 p.m. UTC
If p is a kthread, it will be checked in oom_unkillable_task() so
we can delete the corresponding comment.

Signed-off-by: Tang Yizhou <tangyizhou@huawei.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Michal Hocko <mhocko@kernel.org>
---
v2: Update Cc list
 mm/oom_kill.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Comments

David Rientjes Jan. 15, 2021, 7:46 p.m. UTC | #1
On Fri, 15 Jan 2021, Tang Yizhou wrote:

> If p is a kthread, it will be checked in oom_unkillable_task() so
> we can delete the corresponding comment.
> 
> Signed-off-by: Tang Yizhou <tangyizhou@huawei.com>

Acked-by: David Rientjes <rientjes@google.com>
Michal Hocko Jan. 18, 2021, 9:11 a.m. UTC | #2
On Fri 15-01-21 22:23:14, Tang Yizhou wrote:
> If p is a kthread, it will be checked in oom_unkillable_task() so
> we can delete the corresponding comment.
> 
> Signed-off-by: Tang Yizhou <tangyizhou@huawei.com>
> Cc: David Rientjes <rientjes@google.com>
> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> Cc: Shakeel Butt <shakeelb@google.com>
> Cc: Michal Hocko <mhocko@kernel.org>

Yes, this is outdated for a long time. Thanks
Acked-by: Michal Hocko <mhocko@suse.com>

> ---
> v2: Update Cc list
>  mm/oom_kill.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/mm/oom_kill.c b/mm/oom_kill.c
> index 04b19b7b5435..9f043ad29554 100644
> --- a/mm/oom_kill.c
> +++ b/mm/oom_kill.c
> @@ -395,9 +395,8 @@ static int dump_task(struct task_struct *p, void *arg)
>  	task = find_lock_task_mm(p);
>  	if (!task) {
>  		/*
> -		 * This is a kthread or all of p's threads have already
> -		 * detached their mm's.  There's no need to report
> -		 * them; they can't be oom killed anyway.
> +		 * All of p's threads have already detached their mm's. There's
> +		 * no need to report them; they can't be oom killed anyway.
>  		 */
>  		return 0;
>  	}
> -- 
> 2.22.0
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Patch

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 04b19b7b5435..9f043ad29554 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -395,9 +395,8 @@  static int dump_task(struct task_struct *p, void *arg)
 	task = find_lock_task_mm(p);
 	if (!task) {
 		/*
-		 * This is a kthread or all of p's threads have already
-		 * detached their mm's.  There's no need to report
-		 * them; they can't be oom killed anyway.
+		 * All of p's threads have already detached their mm's. There's
+		 * no need to report them; they can't be oom killed anyway.
 		 */
 		return 0;
 	}