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=-15.8 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 2DE25C433DB for ; Mon, 15 Feb 2021 17:08:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E35C461493 for ; Mon, 15 Feb 2021 17:08:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232304AbhBORHy (ORCPT ); Mon, 15 Feb 2021 12:07:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232396AbhBOPxr (ORCPT ); Mon, 15 Feb 2021 10:53:47 -0500 Received: from mail-pf1-x42d.google.com (mail-pf1-x42d.google.com [IPv6:2607:f8b0:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A45BC061756 for ; Mon, 15 Feb 2021 07:53:07 -0800 (PST) Received: by mail-pf1-x42d.google.com with SMTP id z15so4416833pfc.3 for ; Mon, 15 Feb 2021 07:53:07 -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=lMogc+88WyQtKfJD7auvy+h4i72decXJNUKFaJ3X740=; b=f1k2NYrwwh8xNqd+o6sELNC/Xmn6BqejfYUsOdc/hz0lBUnnqJbmZ6ctx3UFqArygT 17RseW+oVDoiLEI7HMJNK21OEjCqDymgNg0x7NUkKvm3mqEJUMMFTqwXVTreKYEAMaVn NT5WTNjazDqjE6gbKospAb/bP2MIm/2KO7K6DQSVS5pmtIVQ/fk0y3P2Z44fyk9cSNfI 6m8XtvcXoTYU4Ar6eV8caQZzWuWCgbAMi/hIpyAapvGN0W22M84wPxIq+wI/kmalhFX0 Xk5B8uoaiiAyioEjYb+3HBMPnnn5+dfTuIvRTn/InmeIAUyoc+4DkOZkJyM3wksC3W91 WFXQ== 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=lMogc+88WyQtKfJD7auvy+h4i72decXJNUKFaJ3X740=; b=nLqDO3s/86PHNmKtp1txjYadusywSo2AxaIFa2V4uAwqYvXQTwLRm5MgVBFYjjh3ei dz3aNjApDBfBaffeXmrWpBS0LthoIfPJ5W9sd9pwR/uuqJo1vqCCk1X8DmB1b3sshA3P urybTyMbyKisnpLMV6ixQbOM9b9yRhI+iT9et+MP5V7aaUnWNmazRD6Tv+n6zxJbGZyE mdg1qCsqD0pfkQuluwOgEhOB0+514SyYyZzRhzZaaLJuEgI2rQHenGVktQBlmZHUZ90e 9J50W15ryAVgSOu3IUfSHUpXhBWd7vKJjekNnYMigu77gI0qx4ztlefxuaPdF8rce2cO vJiQ== X-Gm-Message-State: AOAM532791R8JHniIlFeCfwAx3WyZPak4aHFjcgdOTj4Ym95d465sSHA aGO9ZrmM8gW3l77NLoy9hTA= X-Google-Smtp-Source: ABdhPJzyd3xnuMeGDrvMoMMEnluGJNTY+zKXAvszGpcjAWV7U3QqkpZ5CMs1fRYSM3tyK5jr+hTz/Q== X-Received: by 2002:a62:3852:0:b029:1da:7238:1cb1 with SMTP id f79-20020a6238520000b02901da72381cb1mr15988342pfa.11.1613404387231; Mon, 15 Feb 2021 07:53:07 -0800 (PST) Received: from localhost.localdomain ([50.236.19.102]) by smtp.gmail.com with ESMTPSA id i1sm19771215pfq.158.2021.02.15.07.53.00 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Feb 2021 07:53:06 -0800 (PST) From: Yafang Shao To: pmladek@suse.com, willy@infradead.org, andriy.shevchenko@linux.intel.com, david@redhat.com, linmiaohe@huawei.com, vbabka@suse.cz, cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, rostedt@goodmis.org, sergey.senozhatsky@gmail.com, joe@perches.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yafang Shao Subject: [PATCH v5 1/3] mm, slub: use pGp to print page flags Date: Mon, 15 Feb 2021 23:51:39 +0800 Message-Id: <20210215155141.47432-2-laoar.shao@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20210215155141.47432-1-laoar.shao@gmail.com> References: <20210215155141.47432-1-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) Signed-off-by: Yafang Shao Reviewed-by: David Hildenbrand Reviewed-by: Vlastimil Babka Acked-by: David Rientjes Acked-by: Christoph Lameter Reviewed-by: Matthew Wilcox (Oracle) Reviewed-by: Miaohe Lin Reviewed-by: Andy Shevchenko --- mm/slub.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 7ecbbbe5bc0c..ddd429832577 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); } -- 2.18.2