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=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 E3721C433DF for ; Thu, 9 Jul 2020 20:21:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9815820720 for ; Thu, 9 Jul 2020 20:21:32 +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="ioLx3Iv4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9815820720 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 972706B0007; Thu, 9 Jul 2020 16:21:28 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8FE566B0008; Thu, 9 Jul 2020 16:21:28 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 776AA6B000A; Thu, 9 Jul 2020 16:21:28 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0190.hostedemail.com [216.40.44.190]) by kanga.kvack.org (Postfix) with ESMTP id 5F5416B0007 for ; Thu, 9 Jul 2020 16:21:28 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 0F220181AEF10 for ; Thu, 9 Jul 2020 20:21:28 +0000 (UTC) X-FDA: 77019657456.18.drain57_0307fc126ec8 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin18.hostedemail.com (Postfix) with ESMTP id D3A10100EDBF5 for ; Thu, 9 Jul 2020 20:21:27 +0000 (UTC) X-HE-Tag: drain57_0307fc126ec8 X-Filterd-Recvd-Size: 2685 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf03.hostedemail.com (Postfix) with ESMTP for ; Thu, 9 Jul 2020 20:21:27 +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: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=bZMu8t+2riNA84pbByPYfGIHTryj0XUUvYNKJ8E7vlc=; b=ioLx3Iv4Wm5xMu/X3q9rzoqxSN mpeTvRW/SQI1OEwTL0shqpz26zOV7Z7XZdzr6eShDffnbt8SQTARb+0mznDXKSGj9enOav48vGMIZ h4FzX/5ydKnp309Md2+uEJB8MsZiTLX8ZzSa9VRxvUlX12koXVnXlilnqZ4aghl9gO9bm78tsi1LZ 15DJFquv3I5s+BHdLHFd22nTGxr0zCQWef65bW3JDcgz3fsX4lf0k2ZGpOqywO0ymr/71Bw8SEFSp YQaiqeQB0AgO3UxoCTW+ySMYZ0KOQi+U3KNJo3aB3bzzIk1gyvxRTBEJJ14LKjYVQORhUR4OxLb5N WjAFOChA==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtd2p-0001u9-MC; Thu, 09 Jul 2020 20:21:23 +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 3/6] mm: Print head flags in dump_page Date: Thu, 9 Jul 2020 21:21:14 +0100 Message-Id: <20200709202117.7216-4-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200709202117.7216-1-willy@infradead.org> References: <20200709202117.7216-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: D3A10100EDBF5 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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: Tail page flags contain very little useful information. Print the head page's flags instead. While the flags will contain "head" for tail pages= , this should not be too confusing as the previous line starts with the word "head:" and so the flags should be interpreted as belonging to the head page. Signed-off-by: Matthew Wilcox (Oracle) --- mm/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/debug.c b/mm/debug.c index f35c1ae1a7a5..d2ffc926d8f5 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -162,7 +162,7 @@ void __dump_page(struct page *page, const char *reaso= n) out_mapping: BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) !=3D __NR_PAGEFLAGS + 1); =20 - pr_warn("%sflags: %#lx(%pGp)%s\n", type, page->flags, &page->flags, + pr_warn("%sflags: %#lx(%pGp)%s\n", type, head->flags, &head->flags, page_cma ? " CMA" : ""); =20 hex_only: --=20 2.27.0