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 3449FC433EF for ; Thu, 12 May 2022 09:04:42 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B96946B0074; Thu, 12 May 2022 05:04:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B448B6B0075; Thu, 12 May 2022 05:04:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A0CCA6B0078; Thu, 12 May 2022 05:04:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 8EFBB6B0074 for ; Thu, 12 May 2022 05:04:41 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay11.hostedemail.com (Postfix) with ESMTP id 5D34680421 for ; Thu, 12 May 2022 09:04:41 +0000 (UTC) X-FDA: 79456505562.26.6D01123 Received: from outbound-smtp43.blacknight.com (outbound-smtp43.blacknight.com [46.22.139.229]) by imf29.hostedemail.com (Postfix) with ESMTP id A8EBA1200BB for ; Thu, 12 May 2022 09:04:33 +0000 (UTC) Received: from mail.blacknight.com (pemlinmail01.blacknight.ie [81.17.254.10]) by outbound-smtp43.blacknight.com (Postfix) with ESMTPS id 99CEF2C72 for ; Thu, 12 May 2022 10:04:39 +0100 (IST) Received: (qmail 31775 invoked from network); 12 May 2022 09:04:39 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[84.203.198.246]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 12 May 2022 09:04:39 -0000 Date: Thu, 12 May 2022 10:04:38 +0100 From: Mel Gorman To: Rei Yamamoto Cc: akpm@linux-foundation.org, vvghjk1234@gmail.com, aquini@redhat.com, ddutile@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm, compaction: fast_find_migrateblock() should return pfn in the target zone Message-ID: <20220512090438.GG3441@techsingularity.net> References: <20220511044300.4069-1-yamamoto.rei@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20220511044300.4069-1-yamamoto.rei@jp.fujitsu.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: A8EBA1200BB X-Stat-Signature: rezz9k11b5rtrmkb8z8iph1fy51t9ns6 X-Rspam-User: Authentication-Results: imf29.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf29.hostedemail.com: domain of mgorman@techsingularity.net designates 46.22.139.229 as permitted sender) smtp.mailfrom=mgorman@techsingularity.net X-HE-Tag: 1652346273-647996 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 Wed, May 11, 2022 at 01:43:00PM +0900, Rei Yamamoto wrote: > Prevent returning a pfn outside the target zone in case that not > aligned with pageblock boundary. > Otherwise isolate_migratepages_block() would handle pages not in > the target zone. > > Signed-off-by: Rei Yamamoto Acked-by: Mel Gorman -- Mel Gorman SUSE Labs