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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D367C433EF for ; Thu, 20 Jan 2022 12:43:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A27D16B009C; Thu, 20 Jan 2022 07:43:51 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 9D6736B00A0; Thu, 20 Jan 2022 07:43:51 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 877186B00A1; Thu, 20 Jan 2022 07:43:51 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0133.hostedemail.com [216.40.44.133]) by kanga.kvack.org (Postfix) with ESMTP id 793076B009C for ; Thu, 20 Jan 2022 07:43:51 -0500 (EST) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 3C4031809CD82 for ; Thu, 20 Jan 2022 12:43:51 +0000 (UTC) X-FDA: 79050632262.27.1BEEDB6 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by imf19.hostedemail.com (Postfix) with ESMTP id C1C5C1A0006 for ; Thu, 20 Jan 2022 12:43:50 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id C9956218E5; Thu, 20 Jan 2022 12:43:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1642682629; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=thsKSU7yct5KctvQh6HtD7JSQ1dl08ORCoEGIvLG2f4=; b=WS3Ttv5M8xXvSsXYHIQclYTbgBELa3P1Im2ki+hbHYHmIp1sT/hhzi2kp9/e96vvoXwdQZ B8jN2KqVTTbsi72cpROY+RUV0JXW/+STFu7KboOWIo1NVu74yXW95gOhH+wzHJXrNgk+Cf 9jROEQ2O3ALEZs1/LbOl5vNuhtQQdVQ= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1642682629; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=thsKSU7yct5KctvQh6HtD7JSQ1dl08ORCoEGIvLG2f4=; b=wMUMObaw//Z2m4fjHnXLlzbKbNyAAMpxlPr0JMtUBV8WYqKDx7abHA70axePErCWkR5PMt vPfXWZbLqhHNJFBA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 9675213E9E; Thu, 20 Jan 2022 12:43:48 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id Y3kEJARZ6WGSZgAAMHmgww (envelope-from ); Thu, 20 Jan 2022 12:43:48 +0000 Message-ID: <5e42f3ec-7d3a-0947-ff52-5282e467e3de@suse.cz> Date: Thu, 20 Jan 2022 13:43:48 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v4 61/66] mm/pagewalk: Use vma_find() instead of vma linked list Content-Language: en-US To: Liam Howlett , "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton Cc: Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Laurent Dufour , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Rik van Riel , Peter Zijlstra , Michel Lespinasse , Jerome Glisse , Minchan Kim , Joel Fernandes , Rom Lemarchand References: <20211201142918.921493-1-Liam.Howlett@oracle.com> <20211201142918.921493-62-Liam.Howlett@oracle.com> From: Vlastimil Babka In-Reply-To: <20211201142918.921493-62-Liam.Howlett@oracle.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: C1C5C1A0006 X-Stat-Signature: 7xpk3w3tkzr9soskf34dje3udb1awyow Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b=WS3Ttv5M; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=wMUMObaw; dmarc=none; spf=pass (imf19.hostedemail.com: domain of vbabka@suse.cz designates 195.135.220.28 as permitted sender) smtp.mailfrom=vbabka@suse.cz X-Rspamd-Server: rspam03 X-HE-Tag: 1642682630-78153 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: On 12/1/21 15:30, Liam Howlett wrote: > From: "Liam R. Howlett" > > Signed-off-by: Matthew Wilcox (Oracle) > Signed-off-by: Liam R. Howlett Acked-by: Vlastimil Babka > --- > mm/pagewalk.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/pagewalk.c b/mm/pagewalk.c > index 9b3db11a4d1d..fdfea080c5ff 100644 > --- a/mm/pagewalk.c > +++ b/mm/pagewalk.c > @@ -456,7 +456,7 @@ int walk_page_range(struct mm_struct *mm, unsigned long start, > } else { /* inside vma */ > walk.vma = vma; > next = min(end, vma->vm_end); > - vma = vma->vm_next; > + vma = find_vma(mm, vma->vm_end);; > > err = walk_page_test(start, next, &walk); > if (err > 0) {