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 D6CD5C44507 for ; Fri, 17 Jul 2026 09:33:05 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 225CD3E92E7 for ; Fri, 17 Jul 2026 11:33:04 +0200 (CEST) Received: from in-5.smtp.seeweb.it (in-5.smtp.seeweb.it [IPv6:2001:4b78:1:20::5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id AC4183D00A7 for ; Fri, 17 Jul 2026 11:32:47 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (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-5.smtp.seeweb.it (Postfix) with ESMTPS id 3AF6E60029C for ; Fri, 17 Jul 2026 11:32:46 +0200 (CEST) Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 8975D3E59; Fri, 17 Jul 2026 09:32:46 +0000 (UTC) Authentication-Results: smtp-out2.suse.de; none Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 6F4A3779AA; Fri, 17 Jul 2026 09:32:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id LAvMGb72WWpMfQAAD6G6ig (envelope-from ); Fri, 17 Jul 2026 09:32:46 +0000 Date: Fri, 17 Jul 2026 11:32:40 +0200 From: Petr Vorel To: Andrea Cervesato Message-ID: <20260717093240.GA316902@pevik> References: <20260717-fix_tst_test_hugepages-v1-1-a63bf2ccdd17@suse.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260717-fix_tst_test_hugepages-v1-1-a63bf2ccdd17@suse.com> X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 8975D3E59 X-Rspamd-Action: no action X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] X-Virus-Scanned: clamav-milter 1.0.9 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH] hugepages: ensure CONFIG_COMPACTION is defined 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: Linux Test Project 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 Andrea, > Add check to ensure CONFIG_COMPACTION=y when we need to use hugepages > inside tests. The kernel configuration is used to enable usage of > `/proc/sys/vm/compact_memory` inside the LTP core library. > The issue was raised by https://github.com/linux-test-project/ltp/pull/1335 > that is trying to solve a problem with cachestat03. > --- > lib/tst_hugepage.c | 5 +++++ .... > + if (access(PATH_VM_COMPACT_MEMORY, F_OK)) { > + if (hp->policy == TST_NEEDS || hp->policy == TST_REQUEST) > + tst_brk(TCONF, "CONFIG_COMPACTION not enabled in kernel"); I'd at least add a question mark when it's not based on a real kconfig inspection. Because there might be different reasons for missing file in the future. Kind regards, Petr -- Mailing list info: https://lists.linux.it/listinfo/ltp