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From: Petr Vorel <pvorel@suse.cz>
To: Li Wang <liwang@redhat.com>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v3 1/3] lib: add functions to adjust oom score
Date: Mon, 20 Dec 2021 19:34:04 +0100	[thread overview]
Message-ID: <YcDMnDRgsac/q8D9@pevik> (raw)
In-Reply-To: <20211220095416.583323-1-liwang@redhat.com>

Hi Li,

>     v2 --> v3
>     	* rename to tst_disable_oom_protection
>     	* support set PID as 0 to protect current process

> +static void set_oom_score_adj(pid_t pid, int value)
> +{
> +	int val;
> +	char score_path[64];
> +
> +	if (access("/proc/self/oom_score_adj", F_OK) == -1) {
We need to check here also /proc/PID/oom_score_adj, i.e. score_path.

Otherwise tests without root fail fail.
lib/tst_memutils.c:111: TBROK: Failed to close FILE '/proc/26980/oom_score_adj': EACCES (13)

Kind regards,
Petr


-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

  parent reply	other threads:[~2021-12-20 18:34 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-20  9:54 [LTP] [PATCH v3 1/3] lib: add functions to adjust oom score Li Wang
2021-12-20  9:54 ` [LTP] [PATCH v3 2/3] lib: enable OOM protection for ltp lib process Li Wang
2021-12-20 13:26   ` Cyril Hrubis
2021-12-20  9:54 ` [LTP] [PATCH v3 3/3] oom: enable OOM protection for mem " Li Wang
2021-12-20 13:27   ` Cyril Hrubis
2021-12-20 13:26 ` [LTP] [PATCH v3 1/3] lib: add functions to adjust oom score Cyril Hrubis
2021-12-20 18:13 ` Petr Vorel
2021-12-20 18:34 ` Petr Vorel [this message]
2021-12-21  2:50   ` Li Wang
2021-12-21  8:33     ` Petr Vorel
2021-12-21  9:18     ` Cyril Hrubis
2021-12-21  9:23       ` Li Wang
2021-12-21  9:40         ` Li Wang
2021-12-21  9:59         ` Cyril Hrubis
2021-12-21 10:12           ` Li Wang
2021-12-21 10:36             ` Cyril Hrubis
2021-12-21 10:44               ` Petr Vorel
2021-12-21 11:32                 ` Li Wang

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