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 X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEC70C48BE5 for ; Thu, 17 Jun 2021 04:04:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EDB661026 for ; Thu, 17 Jun 2021 04:04:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229546AbhFQEGS (ORCPT ); Thu, 17 Jun 2021 00:06:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:56882 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229580AbhFQEGR (ORCPT ); Thu, 17 Jun 2021 00:06:17 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AA02F613E4; Thu, 17 Jun 2021 04:04:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1623902650; bh=RFIXN5/OWgrUt+Bgc1cTpn3VE6K6y7L937AoKiSrNew=; h=Date:From:To:Subject:From; b=ulsTnDixCyE4RWyOCsOGJ/8ijvpzkTPGF4hzT5iq7DgSoL0zgrYPD9QRFkgYjX67l omCo5qK9ilx90u76JfNCGqN6TonTbFOnZU1EdbZ4OYbTkrb0ecunBxQ7aPKkuDC/3f D9UGbeYDBP36/C4IoK7u0yZRazAkA1k5CcHG0Pp0= Date: Wed, 16 Jun 2021 21:04:09 -0700 From: akpm@linux-foundation.org To: aneesh.kumar@linux.ibm.com, christophe.leroy@csgroup.eu, hughd@google.com, joel@joelfernandes.org, kaleshsingh@google.com, kirill.shutemov@linux.intel.com, mm-commits@vger.kernel.org, mpe@ellerman.id.au, npiggin@gmail.com, sfr@canb.auug.org.au Subject: + mm-mremap-dont-enable-optimized-pud-move-if-page-table-levels-is-2.patch added to -mm tree Message-ID: <20210617040409.ktBYiDwO2%akpm@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/mremap: don't enable optimized PUD move if page table levels is 2 has been added to the -mm tree. Its filename is mm-mremap-dont-enable-optimized-pud-move-if-page-table-levels-is-2.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-mremap-dont-enable-optimized-pud-move-if-page-table-levels-is-2.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-mremap-dont-enable-optimized-pud-move-if-page-table-levels-is-2.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: "Aneesh Kumar K.V" Subject: mm/mremap: don't enable optimized PUD move if page table levels is 2 With two level page table don't enable move_normal_pud. Link: https://lkml.kernel.org/r/20210616045239.370802-5-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V Cc: Christophe Leroy Cc: Hugh Dickins Cc: Joel Fernandes Cc: Kalesh Singh Cc: Kirill A. Shutemov Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Stephen Rothwell Signed-off-by: Andrew Morton --- mm/mremap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/mremap.c~mm-mremap-dont-enable-optimized-pud-move-if-page-table-levels-is-2 +++ a/mm/mremap.c @@ -276,7 +276,7 @@ static inline bool move_normal_pmd(struc } #endif -#ifdef CONFIG_HAVE_MOVE_PUD +#if CONFIG_PGTABLE_LEVELS > 2 && defined(CONFIG_HAVE_MOVE_PUD) static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr, unsigned long new_addr, pud_t *old_pud, pud_t *new_pud) { _ Patches currently in -mm which might be from aneesh.kumar@linux.ibm.com are mm-rename-pud_page_vaddr-to-pud_pgtable-and-make-it-return-pmd_t.patch mm-rename-pud_page_vaddr-to-pud_pgtable-and-make-it-return-pmd_t-fix-2.patch mm-rename-p4d_page_vaddr-to-p4d_pgtable-and-make-it-return-pud_t.patch mm-rename-p4d_page_vaddr-to-p4d_pgtable-and-make-it-return-pud_t-fix.patch selftest-mremap_test-update-the-test-to-handle-pagesize-other-than-4k.patch selftest-mremap_test-avoid-crash-with-static-build.patch mm-mremap-convert-huge-pud-move-to-separate-helper.patch mm-mremap-dont-enable-optimized-pud-move-if-page-table-levels-is-2.patch mm-mremap-use-pmd-pud_poplulate-to-update-page-table-entries.patch mm-mremap-hold-the-rmap-lock-in-write-mode-when-moving-page-table-entries.patch mm-mremap-allow-arch-runtime-override.patch powerpc-book3s64-mm-update-flush_tlb_range-to-flush-page-walk-cache.patch powerpc-mm-enable-have_move_pmd-support.patch