From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E3143C433EF for ; Mon, 20 Dec 2021 18:34:19 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id EA6633C919F for ; Mon, 20 Dec 2021 19:34:16 +0100 (CET) Received: from in-2.smtp.seeweb.it (in-2.smtp.seeweb.it [217.194.8.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 05C7F3C918D for ; Mon, 20 Dec 2021 19:34:07 +0100 (CET) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-2.smtp.seeweb.it (Postfix) with ESMTPS id 764D6601702 for ; Mon, 20 Dec 2021 19:34:07 +0100 (CET) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id A5BEF1F388; Mon, 20 Dec 2021 18:34:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1640025246; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=6EiLwvoOXKRfRx8sBlPDXrRtjWReVryWQ6URzCPZUEY=; b=clpTl25WPzL/HW9TQV30D7dF+Cd9nL6McLvYnGAPLUMdJladwDkGnC7iKXCoLyEYD2Su5w gVL3qMBxY93qKAmC89jQ85iN/RGzxwysy9083ED3uYFhVJ6qhLJBAi/AuVQaEZmGCpMmDx l//B4/WFUChkGYgx6zc6l0s64+arKkc= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1640025246; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=6EiLwvoOXKRfRx8sBlPDXrRtjWReVryWQ6URzCPZUEY=; b=rCkfNf1vN+jcUxOXRJxcX5bf57UXqDwWlNnfA5RKoivrrutGkvsDZlH4vLwrtXvV6CEHUL UtXKbUeTo/pAYjAQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 6814013DBD; Mon, 20 Dec 2021 18:34:06 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 1oafFp7MwGHqBwAAMHmgww (envelope-from ); Mon, 20 Dec 2021 18:34:06 +0000 Date: Mon, 20 Dec 2021 19:34:04 +0100 From: Petr Vorel To: Li Wang Message-ID: References: <20211220095416.583323-1-liwang@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211220095416.583323-1-liwang@redhat.com> X-Virus-Scanned: clamav-milter 0.102.4 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v3 1/3] lib: add functions to adjust oom score X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Petr Vorel Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" 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