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,URIBL_BLOCKED,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 5C455C433E6 for ; Sun, 14 Mar 2021 08:38:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2F53064E87 for ; Sun, 14 Mar 2021 08:38:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235026AbhCNIiV (ORCPT ); Sun, 14 Mar 2021 04:38:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235008AbhCNIhq (ORCPT ); Sun, 14 Mar 2021 04:37:46 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0841AC061574 for ; Sun, 14 Mar 2021 00:37:46 -0800 (PST) Received: by mail-pl1-x62f.google.com with SMTP id a8so7332373plp.13 for ; Sun, 14 Mar 2021 00:37:46 -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=JNJwfxygBk8och6dkCm3Z6jjDTILZpQ6YdR+YYjbt2o=; b=WOPZnEPTCfPmKaWtnRdh31FiRGZs2NIdID2ASjad7I4JZl36UhWrcMHy0MPtU3K6cs 3lTi+73oLkW6tZdoChX9ziYWNYxMlxfLda4xzOVfb3ZwijAzaZcdAOO/ixHHsxdx1nib 2NV3Y/f026o4M1xZc7zHvPqm7io3al4sufjywiBN7P7DLwkC9Zhsmfudu9oWsvpJPHtQ qTEd3f5s6fvrWYbCOIn2+gqB5MZ77vw1yf7I7qZbreYZtdhea1HUDcGdgQua5wBC8ZZx FZOWtp/Fd9J9AswkAzGTmddGBmyZ/Iv2sV1KZN9LHrBY6OwuYwKis4yddStItWVgTjXP f/kQ== 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=JNJwfxygBk8och6dkCm3Z6jjDTILZpQ6YdR+YYjbt2o=; b=Muqo3cISxkx0m21to/mcslbEGJrnS9p2V29vZ0DYStTj5KLKPcauGIzdGaQWlgRvab qqaaLk2fIwfhzD3Yn2f3g4AdTvhCFnGZN3/HMx7WTvEGyu1oAmVvN43gNOaIV1ywrh9i ag0GMo5BmwQOASvJP1X8Sw+jhYEk4JsB4qDUNAsktBfA0WYP8rLFvzJsbbfQb+dmsSib IF6xFPUR+zji3a6dHzq9FhiCpO30A9MsAl21MckKfWHIhh78fR3p3RSNw+RNjhWLpXAd 1q2beCY0q5hdqjGRYQJuNvzPZ2vYvmWKpwt1IBENB3gghi97WIA+WW3UoX4JkvZjgKAK czkw== X-Gm-Message-State: AOAM5308r6aNouVcc08kMMxunNBb5LqeNBUX9ITlOWLNU+4Xx0blwTe9 vCua+txFVv0WvXGDzVB1Nno= X-Google-Smtp-Source: ABdhPJzPybjeyHBLvaO48RQbVJnWPpfO8yapizyFqEhGdIL1M0Oo03KJbYvalNWol/SyvQY+kYDbnQ== X-Received: by 2002:a17:902:8641:b029:e4:7e05:c916 with SMTP id y1-20020a1709028641b02900e47e05c916mr6004931plt.57.1615711065661; Sun, 14 Mar 2021 00:37:45 -0800 (PST) Received: from localhost.localdomain ([50.236.19.102]) by smtp.gmail.com with ESMTPSA id s28sm10462585pfd.155.2021.03.14.00.37.39 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 14 Mar 2021 00:37:45 -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, lkp@intel.com, Yafang Shao Subject: [PATCH v6 1/3] mm, slub: use pGp to print page flags Date: Sun, 14 Mar 2021 16:37:15 +0800 Message-Id: <20210314083717.96380-2-laoar.shao@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20210314083717.96380-1-laoar.shao@gmail.com> References: <20210314083717.96380-1-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 3021ce9bf1b3..ed3f728c1367 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -650,8 +650,9 @@ 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