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 F3FEAC433FE for ; Wed, 12 Oct 2022 08:31:49 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id EBB583CAEAE for ; Wed, 12 Oct 2022 10:31:47 +0200 (CEST) Received: from in-5.smtp.seeweb.it (in-5.smtp.seeweb.it [217.194.8.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 566DC3CAEA3 for ; Wed, 12 Oct 2022 10:31:37 +0200 (CEST) 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-5.smtp.seeweb.it (Postfix) with ESMTPS id BFBC36008F6 for ; Wed, 12 Oct 2022 10:31:36 +0200 (CEST) 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 ABD6E1F381; Wed, 12 Oct 2022 08:31:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1665563495; h=from:from: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=MBs4qMHuKh7TpXmDn7LFbDp9LBxL6ZCHb/hdAU58JoQ=; b=P1mTlbG5vdwnwzA8Mu6e1tdZcy/XgG3Mm/FZYX0y+xIVV48BedleQAmS0/O/IKPdFboxpG R+vWbldYTMtWMvxZmNTFK8v996SRrGVQzMdUCmWitENHSLWd2KpSThbFU1zS50GGx+JG3p Pusk5jYjddjMEga7/FmYCyLe/tx/Kn0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1665563495; h=from:from: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=MBs4qMHuKh7TpXmDn7LFbDp9LBxL6ZCHb/hdAU58JoQ=; b=kqdQ5HYveqLyisSgbpOFthOl7zTXmCcsTG16/9wnOKLLAi5KyAb07tmq7/BidtUqloGJWf q9WEfRGFYVdd6jAw== 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 89C0613ACD; Wed, 12 Oct 2022 08:31:35 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id brv0IGd7RmP5WwAAMHmgww (envelope-from ); Wed, 12 Oct 2022 08:31:35 +0000 Date: Wed, 12 Oct 2022 10:33:21 +0200 From: Cyril Hrubis To: Zhao Gongyi Message-ID: References: <20221012021356.189479-1-zhaogongyi@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221012021356.189479-1-zhaogongyi@huawei.com> X-Virus-Scanned: clamav-milter 0.102.4 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v3] syscalls/madvise04: new test for madvise(MADV_DONTNEED) 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: , 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! > Test cases for madvise(2) system call, verify that MADV_DONTNEED > can be applied to Huge TLB pages after kernel version 5.18. > > Signed-off-by: Zhao Gongyi > --- > runtest/syscalls | 1 + > testcases/kernel/syscalls/madvise/.gitignore | 1 + > testcases/kernel/syscalls/madvise/madvise04.c | 49 +++++++++++++++++++ > 3 files changed, 51 insertions(+) > create mode 100644 testcases/kernel/syscalls/madvise/madvise04.c > > diff --git a/runtest/syscalls b/runtest/syscalls > index c81764df4..eb1910cec 100644 > --- a/runtest/syscalls > +++ b/runtest/syscalls > @@ -941,6 +941,7 @@ mincore04 mincore04 > madvise01 madvise01 > madvise02 madvise02 > madvise03 madvise03 > +madvise04 madvise04 > madvise05 madvise05 > madvise06 madvise06 > madvise07 madvise07 > diff --git a/testcases/kernel/syscalls/madvise/.gitignore b/testcases/kernel/syscalls/madvise/.gitignore > index f4bfdfefe..db8ce47c1 100644 > --- a/testcases/kernel/syscalls/madvise/.gitignore > +++ b/testcases/kernel/syscalls/madvise/.gitignore > @@ -1,6 +1,7 @@ > /madvise01 > /madvise02 > /madvise03 > +/madvise04 > /madvise05 > /madvise06 > /madvise07 > diff --git a/testcases/kernel/syscalls/madvise/madvise04.c b/testcases/kernel/syscalls/madvise/madvise04.c > new file mode 100644 > index 000000000..ba15de092 > --- /dev/null > +++ b/testcases/kernel/syscalls/madvise/madvise04.c > @@ -0,0 +1,49 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * Copyright (c) Huawei Technologies Co., Ltd. 2022. All rights reserved. > + * Author: Zhao Gongyi > + */ > + > +/*\ > + * [Description] > + * > + * Test cases for madvise(2) system call, advise value as "MADV_MADV_DONTNEED": > + * MADV_DONTNEED can be applied to Huge TLB pages after kernel version 5.18. > + */ > + > +#include "tst_test.h" > + > +#define MAP_SIZE (8 * 1024) > + > +static char *addr; > +static int mapsz; > + > +static void run(void) > +{ > + TST_EXP_PASS(madvise(addr, mapsz, MADV_DONTNEED)); > Should we check that the pages have been zero filled like in the previous case? +} > + > +static void setup(void) > +{ > + mapsz = tst_get_hugepage_size(); > + addr = SAFE_MMAP(NULL, mapsz, > + PROT_READ | PROT_WRITE, > + MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, > + -1, 0); > +} > + > +static void cleanup(void) > +{ > + if (addr) > + SAFE_MUNMAP(addr, mapsz); > +} > + > +static struct tst_test test = { > + .test_all = run, > + .setup = setup, > + .cleanup = cleanup, > + .min_kver = "5.18", > + .needs_root = 1, > + .hugepages = {1, TST_NEEDS}, > +}; -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp