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 4E2C1C4332F for ; Sat, 10 Dec 2022 01:57:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229538AbiLJB5Z (ORCPT ); Fri, 9 Dec 2022 20:57:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229798AbiLJB5Y (ORCPT ); Fri, 9 Dec 2022 20:57:24 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54653941B2 for ; Fri, 9 Dec 2022 17:57:23 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E532F622AA for ; Sat, 10 Dec 2022 01:57:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4182AC433D2; Sat, 10 Dec 2022 01:57:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1670637442; bh=2gJ07OKkA+zaZzD6aKfgZpQroSc26tyYxBx3Rncgjec=; h=Date:To:From:Subject:From; b=sWl7l02LaSdaszYLN8mYuZdTxUL+5wg0Z/p+/4nXlFAZGk6EqdcbuuO2jsNisEWZj 4m+XuwTsnjvsPg1c9C7IqhL2ug6Z8YFCU5y0wvLkoQaT4eF4kAaR/YfAdfIkwCzRq5 p37CDBgdDp6VVIacAUOnxmlqy5LPGY9paX8GZto0= Date: Fri, 09 Dec 2022 17:57:21 -0800 To: mm-commits@vger.kernel.org, zhengjun.xing@linux.intel.com, yujie.liu@intel.com, ying.huang@intel.com, willy@infradead.org, shy828301@gmail.com, riel@surriel.com, regressions@leemhuis.info, nathan@kernel.org, fengwei.yin@intel.com, feng.tang@intel.com, akpm@linux-foundation.org, akpm@linux-foundation.org From: Andrew Morton Subject: [merged] revert-mm-align-larger-anonymous-mappings-on-thp-boundaries.patch removed from -mm tree Message-Id: <20221210015722.4182AC433D2@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: revert "mm: align larger anonymous mappings on THP boundaries" has been removed from the -mm tree. Its filename was revert-mm-align-larger-anonymous-mappings-on-thp-boundaries.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Andrew Morton Subject: revert "mm: align larger anonymous mappings on THP boundaries" Date: Thu Dec 1 01:22:56 PM PST 2022 Several testers are seeing large slowdowns from this commit. The reasons for this are unclear. Revert it from 6.1-rcX so this can be better examined. Fixes: f35b5d7d676e ("mm: align larger anonymous mappings on THP boundaries") Reported-by: kernel test robot Link: https://lkml.kernel.org/r/202210181535.7144dd15-yujie.liu@intel.com Reported-by: Nathan Chancellor Link: https://lkml.kernel.org/r/Y1DNQaoPWxE+rGce@dev-arch.thelio-3990X Reported-by: Thorsten Leemhuis Link: https://lkml.kernel.org/r/e919e5a3-1118-043e-8bbd-5ee35f2ab411@leemhuis.info Acked-by: Yang Shi Cc: Feng Tang Cc: "Huang, Ying" Cc: Matthew Wilcox Cc: Rik van Riel Cc: Xing Zhengjun Cc: "Yin, Fengwei" Cc: Yujie Liu Signed-off-by: Andrew Morton --- mm/mmap.c | 3 --- 1 file changed, 3 deletions(-) --- a/mm/mmap.c~revert-mm-align-larger-anonymous-mappings-on-thp-boundaries +++ a/mm/mmap.c @@ -1779,9 +1779,6 @@ get_unmapped_area(struct file *file, uns */ pgoff = 0; get_area = shmem_get_unmapped_area; - } else if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) { - /* Ensures that larger anonymous mappings are THP aligned. */ - get_area = thp_get_unmapped_area; } addr = get_area(file, addr, len, pgoff, flags); _ Patches currently in -mm which might be from akpm@linux-foundation.org are mm-gup-remove-foll_migration-fix.patch fsdax-zero-the-edges-if-source-is-hole-or-unwritten-fix.patch mm-disable-top-tier-fallback-to-reclaim-on-proactive-reclaim-fix.patch