linux-kernel - Re: [PATCH 5/6] staging: android/lowmemorykiller: No need for task->signal check

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAHGf_=rcvYj_NUyo7u1FX-h3=TsN=0W8MGB2zuK2cstfObxnYQ@mail.gmail.com>
Date:	Mon, 6 Feb 2012 16:38:01 -0500
From:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
To:	Anton Vorontsov <anton.vorontsov@...aro.org>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Arve Hjønnevåg <arve@...roid.com>,
	San Mehat <san@...gle.com>, Colin Cross <ccross@...roid.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, kernel-team@...roid.com,
	linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH 5/6] staging: android/lowmemorykiller: No need for
 task->signal check

>  drivers/staging/android/lowmemorykiller.c |    8 +-------
>  1 files changed, 1 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
> index 0755e2f..6e800d3 100644
> --- a/drivers/staging/android/lowmemorykiller.c
> +++ b/drivers/staging/android/lowmemorykiller.c
> @@ -136,19 +136,13 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
>        rcu_read_lock();
>        for_each_process(tsk) {
>                struct task_struct *p;
> -               struct signal_struct *sig;
>                int oom_adj;
>
>                p = find_lock_task_mm(tsk);
>                if (!p)
>                        continue;
>
> -               sig = p->signal;
> -               if (!sig) {
> -                       task_unlock(p);
> -                       continue;
> -               }
> -               oom_adj = sig->oom_adj;
> +               oom_adj = p->signal->oom_adj;
>                if (oom_adj < min_adj) {
>                        task_unlock(p);
>                        continue;

ack.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/