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=-9.8 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 D11CAC433E0 for ; Mon, 29 Jun 2020 15:19:56 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 88C8C246A0 for ; Mon, 29 Jun 2020 15:19:56 +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="P4tCvhXb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 88C8C246A0 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 2C0526B002F; Mon, 29 Jun 2020 11:19:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 297D36B0031; Mon, 29 Jun 2020 11:19:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 160EA6B0032; Mon, 29 Jun 2020 11:19:56 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0100.hostedemail.com [216.40.44.100]) by kanga.kvack.org (Postfix) with ESMTP id EFE836B002F for ; Mon, 29 Jun 2020 11:19:55 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id ADA22180AD804 for ; Mon, 29 Jun 2020 15:19:55 +0000 (UTC) X-FDA: 76982609550.10.vest48_300864b26e70 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin10.hostedemail.com (Postfix) with ESMTP id 2F56716A4DF for ; Mon, 29 Jun 2020 15:19:34 +0000 (UTC) X-HE-Tag: vest48_300864b26e70 X-Filterd-Recvd-Size: 2385 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf19.hostedemail.com (Postfix) with ESMTP for ; Mon, 29 Jun 2020 15:19:33 +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=eZ+J6RidjP71cXWq258EDiwULEOUyqXNzsj7JyjsPoA=; b=P4tCvhXbVo9Fvy23WwVtgk7tPC rg9iB26Z+zckEG5vkkQXR/i9pYerMHMvrmDv1YgNp3o67cCtvCwOmgFU84ITqBgM7qq0HqieRwmM2 7Y8FOuO4FAVMm9Ldiz4oFdrUEMp63BZZRJlBQX4Y4kqebLsQS5O+DS1HAw4vDcb9OagNBpRumfV8o qwVNaxhSnDmKAJP5I0ymyRQxA8oeLOsnvrceZQUyBQMCm5JNyq48Q5J++L8MlPk5lSDAVQiA7zgjY 3695u4TTTOAFpTZcMmIG2+JIQg3Dn296a7rRkKfBmNrsL5/nY0S/K3opAjqLibPsP7OFXU1htWqvZ uKtjcTXg==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jpvZ6-00044G-5V; Mon, 29 Jun 2020 15:19:24 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org, Andrew Morton Cc: "Matthew Wilcox (Oracle)" , Vlastimil Babka , John Hubbard Subject: [PATCH 1/3] mm: Print head flags in dump_page Date: Mon, 29 Jun 2020 16:19:16 +0100 Message-Id: <20200629151918.15537-2-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200629151918.15537-1-willy@infradead.org> References: <20200629151918.15537-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: 2F56716A4DF X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 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 (even though PageHead is a little misleading). 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 4f376514744d..44d843b3b07c 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -163,7 +163,7 @@ 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