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 09952C433E0 for ; Mon, 8 Feb 2021 10:29:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE0DF64EE6 for ; Mon, 8 Feb 2021 10:29:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232408AbhBHK2o (ORCPT ); Mon, 8 Feb 2021 05:28:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232057AbhBHKPu (ORCPT ); Mon, 8 Feb 2021 05:15:50 -0500 Received: from mail-ot1-x331.google.com (mail-ot1-x331.google.com [IPv6:2607:f8b0:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C961C061788 for ; Mon, 8 Feb 2021 02:15:09 -0800 (PST) Received: by mail-ot1-x331.google.com with SMTP id y11so13682869otq.1 for ; Mon, 08 Feb 2021 02:15:09 -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=AfzWei4umlGVQDuzDsu/6vxC6VqYoM19+5981ukNvio=; b=f747CuabzW6jNHZmUHMnJFaY9lfhzlNIpY/CW3aucW05mfIRlJI06OKmbh3oFbo28o K8w14VbfkqpQYBvM4wZDQPTGsm4rgqus+hLTuSS1NvDMZOfTccJ94JSJLqXxMsqYH9G/ yELGoNhfoJ0QcmTUDZfabkygXTmCThBq9z0LKkt0LoMMD7BqZ0j/rtXSht5TxZ7Tv22m QBXu7/9tci11r5a6OB11h1rFox3bn/jJ/iv5/f2kf71gBgB0z/MRxOSAMICo3OcJea9S +hUcaFWS76E6oz5kFrmXUfXqLKQaj6k0FQV0ZZxX6yhalplMMBbId+2AirlLhOibyrpc lvmw== 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=AfzWei4umlGVQDuzDsu/6vxC6VqYoM19+5981ukNvio=; b=F23o0cgPA9m7MbSKWai9m21QXMVPFb9QuPiG/gUzQh+izb+Wcy7mH0pnw4KPu7xMlB FpXncDjmxp4l0rnDctb/TNfIVZmm6hFFT2wjAPs1ZW2/N9cdKD4fsYJ8mTIWvcigqkjF 5BWEbxTtVHzE3uBk3kk0dfCUJOAnqU/X8qA9oPqAxjwaoI33asUu1JJVnFXEgDnwKRJT H6YgPZfk23ZjaFdBOBoyjW19DaXgNJ5E6fbdcXW7cMO+EfI5pnlFKoLK6dWCTwMVQ7If uCq6fpl7CNnvDBg5txz7jaQoY4VUO6htY1vGOCP5ekYHyZCN8mr+3OkvDLcLqJZuXXn4 dEXg== X-Gm-Message-State: AOAM531eI81dvu+/CeDL7DdJS1QcR/h8k6AOAeLhjDgp6YrFQfn5YW1i Z0+vlykXaYkh2++08wdQXWE= X-Google-Smtp-Source: ABdhPJzIcYkSTcrgXQFDdnYYRK99jagCTwAnxOCgJDgXzdOQkUEOoLXdzrnsr5Hde1YeF151SZy4gw== X-Received: by 2002:a9d:71c6:: with SMTP id z6mr12266305otj.276.1612779309010; Mon, 08 Feb 2021 02:15:09 -0800 (PST) Received: from localhost.localdomain ([50.236.19.102]) by smtp.gmail.com with ESMTPSA id t3sm607226otb.36.2021.02.08.02.15.03 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Feb 2021 02:15:08 -0800 (PST) From: Yafang Shao To: andriy.shevchenko@linux.intel.com, david@redhat.com, vbabka@suse.cz, willy@infradead.org, cl@linux.com, linmiaohe@huawei.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, joe@perches.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yafang Shao Subject: [PATCH v3 1/3] mm, slub: use pGp to print page flags Date: Mon, 8 Feb 2021 18:14:37 +0800 Message-Id: <20210208101439.55474-2-laoar.shao@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20210208101439.55474-1-laoar.shao@gmail.com> References: <20210208101439.55474-1-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 Reviewed-by: Vlastimil Babka Acked-by: David Rientjes Acked-by: Christoph Lameter 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 34dcc09e2ec9..87ff086e68a4 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -638,8 +638,9 @@ 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