All of lore.kernel.org
 help / color / mirror / Atom feed
From: Li Wang <liwang@redhat.com>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH v3 3/3] oom: enable OOM protection for mem lib process
Date: Mon, 20 Dec 2021 17:54:16 +0800	[thread overview]
Message-ID: <20211220095416.583323-3-liwang@redhat.com> (raw)
In-Reply-To: <20211220095416.583323-1-liwang@redhat.com>

Just simply invoke oom protection on mem library to make
it can collect full state of children.

Signed-off-by: Li Wang <liwang@redhat.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
---
 testcases/kernel/mem/lib/mem.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/testcases/kernel/mem/lib/mem.c b/testcases/kernel/mem/lib/mem.c
index ac890491c..a4bede0df 100644
--- a/testcases/kernel/mem/lib/mem.c
+++ b/testcases/kernel/mem/lib/mem.c
@@ -129,8 +129,11 @@ void oom(int testcase, int lite, int retcode, int allow_sigkill)
 	pid_t pid;
 	int status, threads;
 
+	tst_enable_oom_protection(0);
+
 	switch (pid = SAFE_FORK()) {
 	case 0:
+		tst_disable_oom_protection(0);
 		threads = MAX(1, tst_ncpus() - 1);
 		child_alloc(testcase, lite, threads);
 	default:
-- 
2.31.1


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

  parent reply	other threads:[~2021-12-20  9:54 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 ` Li Wang [this message]
2021-12-20 13:27   ` [LTP] [PATCH v3 3/3] oom: enable OOM protection for mem " 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
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20211220095416.583323-3-liwang@redhat.com \
    --to=liwang@redhat.com \
    --cc=ltp@lists.linux.it \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.