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 X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC662C433E0 for ; Thu, 28 Jan 2021 02:21:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98E3664DCD for ; Thu, 28 Jan 2021 02:21:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231254AbhA1CVp (ORCPT ); Wed, 27 Jan 2021 21:21:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231160AbhA1CU6 (ORCPT ); Wed, 27 Jan 2021 21:20:58 -0500 Received: from mail-oo1-xc30.google.com (mail-oo1-xc30.google.com [IPv6:2607:f8b0:4864:20::c30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79EE7C061574 for ; Wed, 27 Jan 2021 18:20:18 -0800 (PST) Received: by mail-oo1-xc30.google.com with SMTP id y72so1067568ooa.5 for ; Wed, 27 Jan 2021 18:20:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zYH+mxvn2A3dJD0z4OcS09UkAKI7HiExMGSeLtKn4tM=; b=tiLdanme9ZPBFmKmUuqRLeH0jzl1towtFwyue+W036MJ4w7Q0h3Sm2QCo4P1rIaIlk 7D4SLMuAhkyYviCcoDpfvA0uOU8oaZTxj+tLUOr5WubWXhJ4SsIB0Ydz+Io8iLcPYytW ePgTpOJp/AbNutt5hSSVtiPIy5WrR2pb4kS5ZQ0451wXIFLnSWmApDHyVIAkKTcVWFQk POsFMp4eMdPSfwh4Vd2fRDnImdpCIULirez05hpHBCakb89KyHRO5WN6xhtZjQOKoUHA CX65q8qxcvc7z5zyn3y7QQHf3CDBv+f4wcbyD54+hg68pHuxvXdbbDwtSX4TyJrkDlrt 8QVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zYH+mxvn2A3dJD0z4OcS09UkAKI7HiExMGSeLtKn4tM=; b=Ty5xC+k2bfuT64ZSaZhmUtAqmdQVMbSzSJrJlE+MgjLwZ2VpNQz9uIOLNrAsOd+YUl +WL+6gL8hpGGL5BDGxFmN+vIgS+SXklYDfebYOAQnJcZ3orMkBi7Vnne9ZAziJ0FN6be 50JIItyCod6ayVItRXR5F2wyEPWFbgLmqzitGlBvb/dlDeB1WqeRSV3AYB9H1ANTD92c DQnwFhqgD9dAaGgjgJ62ZBmbIUk+gc+ilndaItVnabOTtt2OTWCRyBcA5OPEBnsn9Ssk UqFk1QjELRxFTLnm28+96F1USlJVD84lnOKsof++tzZ36OIByf9L+ZFECCp3JdBlr+wG ZfOw== X-Gm-Message-State: AOAM533pDiFeTeghBpuhKNVr2gplFEPKUoE9MHTgc2xVsLtVbdVKn9G9 yQxJ+zxh4fEiH0LQE2QK1Hs= X-Google-Smtp-Source: ABdhPJwfIyMxrySXxF9sSW16i+roO96QXXqk46k4/giZAvfnNk8o1ICwull2rDWtQmj+ARrMwaG5kg== X-Received: by 2002:a4a:646:: with SMTP id 67mr9826383ooj.33.1611800417909; Wed, 27 Jan 2021 18:20:17 -0800 (PST) Received: from localhost.localdomain ([50.236.19.102]) by smtp.gmail.com with ESMTPSA id m10sm731246otp.19.2021.01.27.18.20.12 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Jan 2021 18:20:17 -0800 (PST) From: Yafang Shao To: david@redhat.com, vbabka@suse.cz, cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, pmladek@suse.com, rostedt@goodmis.org, sergey.senozhatsky@gmail.com, andriy.shevchenko@linux.intel.com, linux@rasmusvillemoes.dk Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yafang Shao Subject: [PATCH 1/3] mm, slub: use pGp to print page flags Date: Thu, 28 Jan 2021 10:19:45 +0800 Message-Id: <20210128021947.22877-2-laoar.shao@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20210128021947.22877-1-laoar.shao@gmail.com> References: <20210128021947.22877-1-laoar.shao@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As pGp has been already introduced in printk, we'd better use it to make the output human readable. Before this change, the output is, [ 6155.716018] INFO: Slab 0x000000004027dd4f objects=33 used=3 fp=0x000000008cd1579c flags=0x17ffffc0010200 While after this change, the output is, [ 8846.517809] INFO: Slab 0x00000000f42a2c60 objects=33 used=3 fp=0x0000000060d32ca8 flags=0x17ffffc0010200(slab|head) Reviewed-by: David Hildenbrand Signed-off-by: Yafang Shao --- mm/slub.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 69742ab9a21d..4b9ab267afbc 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -641,8 +641,9 @@ void print_tracking(struct kmem_cache *s, void *object) static void print_page_info(struct page *page) { - pr_err("INFO: Slab 0x%p objects=%u used=%u fp=0x%p flags=0x%04lx\n", - page, page->objects, page->inuse, page->freelist, page->flags); + pr_err("INFO: Slab 0x%p objects=%u used=%u fp=0x%p flags=%#lx(%pGp)\n", + page, page->objects, page->inuse, page->freelist, + page->flags, &page->flags); } -- 2.17.1