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 BBEAAE7C4F3 for ; Wed, 4 Oct 2023 20:17:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233858AbjJDURm (ORCPT ); Wed, 4 Oct 2023 16:17:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59144 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233890AbjJDURk (ORCPT ); Wed, 4 Oct 2023 16:17:40 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F4B0C6 for ; Wed, 4 Oct 2023 13:17:37 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0BD7C433C8; Wed, 4 Oct 2023 20:17:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1696450657; bh=dZh7b8tlj1lltTNJaMO5ePR9zZR9/E8W6EUIvuKgQyU=; h=Date:To:From:Subject:From; b=CatiXsT0crSElyG9AWbi7htYKH6H/66UEz+njWjjj19EvIRVM3NignuqDvbW5yXFT BipvhYsux4QvCBY372FOLJ5ywJe2FM+Ue/Nk4zN6K4S/25CL11NNKcKQq7dmjphu7X QjAtL61DrDOXXmv8QlutaYQcaEIWXA6cNEI+e7Ig= Date: Wed, 04 Oct 2023 13:17:35 -0700 To: mm-commits@vger.kernel.org, willy@infradead.org, mgorman@techsingularity.net, david@redhat.com, baolin.wang@linux.alibaba.com, shikemeng@huaweicloud.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-compaction-use-correct-list-in-move_freelist_head-tail.patch removed from -mm tree Message-Id: <20231004201736.D0BD7C433C8@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: mm/compaction: use correct list in move_freelist_{head}/{tail} has been removed from the -mm tree. Its filename was mm-compaction-use-correct-list-in-move_freelist_head-tail.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Kemeng Shi Subject: mm/compaction: use correct list in move_freelist_{head}/{tail} Date: Fri, 1 Sep 2023 23:51:36 +0800 Patch series "Fixes and cleanups to compaction", v3. This is a series to do fix and clean up to compaction. Patch 1-2 fix and clean up freepage list operation. Patch 3-4 fix and clean up isolation of freepages Patch 7 factor code to check if compaction is needed for allocation order. More details can be found in respective patches. This patch (of 6): The freepage is chained with buddy_list in freelist head. Use buddy_list instead of lru to correct the list operation. Link: https://lkml.kernel.org/r/20230901155141.249860-1-shikemeng@huaweicloud.com Link: https://lkml.kernel.org/r/20230901155141.249860-2-shikemeng@huaweicloud.com Signed-off-by: Kemeng Shi Reviewed-by: Baolin Wang Acked-by: Mel Gorman Cc: David Hildenbrand Cc: Matthew Wilcox (Oracle) Signed-off-by: Andrew Morton --- mm/compaction.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/mm/compaction.c~mm-compaction-use-correct-list-in-move_freelist_head-tail +++ a/mm/compaction.c @@ -1395,8 +1395,8 @@ move_freelist_head(struct list_head *fre { LIST_HEAD(sublist); - if (!list_is_last(freelist, &freepage->lru)) { - list_cut_before(&sublist, freelist, &freepage->lru); + if (!list_is_last(freelist, &freepage->buddy_list)) { + list_cut_before(&sublist, freelist, &freepage->buddy_list); list_splice_tail(&sublist, freelist); } } @@ -1412,8 +1412,8 @@ move_freelist_tail(struct list_head *fre { LIST_HEAD(sublist); - if (!list_is_first(freelist, &freepage->lru)) { - list_cut_position(&sublist, freelist, &freepage->lru); + if (!list_is_first(freelist, &freepage->buddy_list)) { + list_cut_position(&sublist, freelist, &freepage->buddy_list); list_splice_tail(&sublist, freelist); } } _ Patches currently in -mm which might be from shikemeng@huaweicloud.com are mm-page_alloc-correct-start-page-when-guard-page-debug-is-enabled.patch mm-page_alloc-remove-unnecessary-check-in-break_down_buddy_pages.patch mm-page_alloc-remove-unnecessary-next_page-in-break_down_buddy_pages.patch