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=-15.7 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,URIBL_BLOCKED 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 D6E36C07E95 for ; Thu, 8 Jul 2021 01:10:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C17DC61CD1 for ; Thu, 8 Jul 2021 01:10:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230232AbhGHBMv (ORCPT ); Wed, 7 Jul 2021 21:12:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:53136 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230123AbhGHBMu (ORCPT ); Wed, 7 Jul 2021 21:12:50 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AD38461CCC; Thu, 8 Jul 2021 01:10:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1625706610; bh=JtMOv2EapD7UuAYgxjwfH1jNLt0Cvkm2q1slpZ4cydM=; h=Date:From:To:Subject:In-Reply-To:From; b=p7ZYH+DNLKcePQjmXjiBiC/KSv20NdDy2nnlwJ7t4LsrrvdH9zZrDIyIm8893ruSw 8nYyKOkN5O9kQ8Jn6iozPIMx3jf8q69deBS+ycaSPvNSgU7sD1RP/tAO8RagMd0p87 pPB4lWdgsJVBryhrXEEd1X1j3Pb3xyRuhc3+Ozd4= Date: Wed, 07 Jul 2021 18:10:09 -0700 From: Andrew Morton To: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, christophe.leroy@csgroup.eu, hughd@google.com, joel@joelfernandes.org, kaleshsingh@google.com, kirill.shutemov@linux.intel.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, mpe@ellerman.id.au, npiggin@gmail.com, sfr@canb.auug.org.au, torvalds@linux-foundation.org Subject: [patch 49/54] mm/mremap: don't enable optimized PUD move if page table levels is 2 Message-ID: <20210708011009.n3XfmL2Xv%akpm@linux-foundation.org> In-Reply-To: <20210707175950.eceddb86c6c555555d4730e2@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 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) { _