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=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 B42F9C433DF for ; Thu, 9 Jul 2020 20:21:30 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 723B620720 for ; Thu, 9 Jul 2020 20:21:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="QXruNy87" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 723B620720 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E04EC6B0006; Thu, 9 Jul 2020 16:21:26 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D8EB46B0007; Thu, 9 Jul 2020 16:21:26 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BE3996B0008; Thu, 9 Jul 2020 16:21:26 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0230.hostedemail.com [216.40.44.230]) by kanga.kvack.org (Postfix) with ESMTP id 9AF356B0006 for ; Thu, 9 Jul 2020 16:21:26 -0400 (EDT) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 4D8242C79 for ; Thu, 9 Jul 2020 20:21:26 +0000 (UTC) X-FDA: 77019657372.04.fruit55_3f14a9426ec8 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id 281C98011C95 for ; Thu, 9 Jul 2020 20:21:26 +0000 (UTC) X-HE-Tag: fruit55_3f14a9426ec8 X-Filterd-Recvd-Size: 2929 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf29.hostedemail.com (Postfix) with ESMTP for ; Thu, 9 Jul 2020 20:21:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=5flOTrK8Wox/SLLl5PBOcsZLse7zT8kUzom0w3ZaLWA=; b=QXruNy87CDkKBr5ThF+5cu/XxZ fBh4NA1WzH0Oo/AfXircnCj+zVzg4DbK99AK0HnqJdncVcPXjPgRP38qy+iqjlE3n3+FKAzedeo97 PZu25hmIrG2PqEbwq4BVupqMCEKDHnDffMBsoc94kZGwtRV+uXPGuyqLiuPW1vIsKV3ytkX2xI0wx u4K4AI9/rRXrb7qjbx6fLd4dasJN7/9mOc9aqVHImd9gR88SrfIi/Vy0yyKyo2U0oiG7oPKXCQaQ+ o0U1tW33xjC0pQ1b2tBcoIZFwrEKSed0/tq+J7NHX1PXSbR1a54S0SBhLb7AInvJG1DtE852lwVKy JvfdxoJw==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtd2l-0001tY-0G; Thu, 09 Jul 2020 20:21:19 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , Andrew Morton , Vlastimil Babka , John Hubbard , "Kirill A. Shutemov" , William Kucharski , Mike Rapoport Subject: [PATCH v2 0/6] Improvements for dump_page() Date: Thu, 9 Jul 2020 21:21:11 +0100 Message-Id: <20200709202117.7216-1-willy@infradead.org> X-Mailer: git-send-email 2.21.3 MIME-Version: 1.0 X-Rspamd-Queue-Id: 281C98011C95 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Thanks to everyone for your feedback on v1. I haven't added any acks from v1 because most of the patches have changed substantially from v1. Here's a sample dump of a pagecache tail page with all of the patches app= lied: page:000000006d1c49ca refcount:6 mapcount:0 mapping:00000000136b8d90 inde= x:0x109 pfn:0x6c645 head:000000008bd38076 order:2 compound_mapcount:0 compound_pincount:0 aops:xfs_address_space_operations ino:800042 dentry name:"fd" flags: 0x4000000000012014(uptodate|lru|private|head) raw: 4000000000000000 ffffd46ac1b19101 ffffffff00000202 dead000000000004 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 head: 4000000000012014 ffffd46ac1b1bbc8 ffffd46ac1b1bc08 ffff91976f659560 head: 0000000000000108 ffff919773220680 00000006ffffffff 0000000000000000 page dumped because: testing Matthew Wilcox (Oracle) (6): mm: Handle page->mapping better in dump_page mm: Dump compound page information on a second line mm: Print head flags in dump_page mm: Switch dump_page to get_kernel_nofault mm: Print the inode number in dump_page mm: Print hashed address of struct page mm/debug.c | 75 +++++++++++++++++++++++++----------------------------- 1 file changed, 35 insertions(+), 40 deletions(-) --=20 2.27.0