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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62058C433EF for ; Tue, 25 Jan 2022 06:21:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245143AbiAYGVG (ORCPT ); Tue, 25 Jan 2022 01:21:06 -0500 Received: from smtp-out1.suse.de ([195.135.220.28]:57124 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239023AbiAYGQy (ORCPT ); Tue, 25 Jan 2022 01:16:54 -0500 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 86F9F212CA; Tue, 25 Jan 2022 06:16:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1643091411; 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=A0IYK4txmrAqE9dKMwPSEvnRaOWt5ESVwDa2uLogNA0=; b=AthH7C3PjONofgKMApmvZoKHcUA++pVPLCTmQ41SyCBT52DHx6YqBHedJ6KMSEd95lMUGg KSsgaj90jk6Mi8TXQ0LPQxORACRBbtcBrBHPsoub2Nh8pDFkSs4urJ4mLZUspHbiXTJIX1 PPkcYWrVI8wo3L5TLA+zz6NeqGUpUvY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1643091411; 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=A0IYK4txmrAqE9dKMwPSEvnRaOWt5ESVwDa2uLogNA0=; b=/X8GJWsWh8oVBy5Jf8JY06e33U936gAWJ9OiT6dDmjH7mSwVGB9lhpNeNvC9W8eyw85YFc qyuUyblvlkP/70AQ== 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 7481013D7C; Tue, 25 Jan 2022 06:16:51 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 6FXfG9OV72FhdAAAMHmgww (envelope-from ); Tue, 25 Jan 2022 06:16:51 +0000 MIME-Version: 1.0 Date: Tue, 25 Jan 2022 07:16:51 +0100 From: Oscar Salvador To: Zi Yan Cc: Mel Gorman , linux-mm@kvack.org, linux-kernel@vger.kernel.org, David Hildenbrand , Vlastimil Babka , Mike Rapoport , Andrew Morton Subject: Re: [PATCH] mm: page_alloc: avoid merging non-fallbackable pageblocks with others. In-Reply-To: <20220124175957.1261961-1-zi.yan@sent.com> References: <20220124175957.1261961-1-zi.yan@sent.com> User-Agent: Roundcube Webmail Message-ID: <58f3a261fbd1c8480ce2e64e8543e466@suse.de> X-Sender: osalvador@suse.de Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-01-24 18:59, Zi Yan wrote: > From: Zi Yan > > This is done in addition to MIGRATE_ISOLATE pageblock merge avoidance. > It prepares for the upcoming removal of the MAX_ORDER-1 alignment > requirement for CMA and alloc_contig_range(). > > MIGRARTE_HIGHATOMIC should not merge with other migratetypes like > MIGRATE_ISOLATE and MIGRARTE_CMA[1], so this commit prevents that too. > > Remove MIGRARTE_CMA and MIGRATE_ISOLATE from fallbacks list, since they > are never used. > > [1] > https://lore.kernel.org/linux-mm/20211130100853.GP3366@techsingularity.net/ > > Signed-off-by: Zi Yan > Acked-by: Mel Gorman Reviewed-by: Oscar Salvador -- Oscar Salvador SUSE Labs