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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 E26ACC4740A for ; Sun, 6 Oct 2019 01:31:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C45EB222C0 for ; Sun, 6 Oct 2019 01:31:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727136AbfJFBby (ORCPT ); Sat, 5 Oct 2019 21:31:54 -0400 Received: from mga01.intel.com ([192.55.52.88]:59618 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726992AbfJFBbx (ORCPT ); Sat, 5 Oct 2019 21:31:53 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Oct 2019 18:31:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,261,1566889200"; d="scan'208";a="217534710" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by fmsmga004.fm.intel.com with ESMTP; 05 Oct 2019 18:31:51 -0700 From: Wei Yang To: akpm@linux-foundation.org, mgorman@techsingularity.net, vbabka@suse.cz, osalvador@suse.de, hch@infradead.org, willy@infradead.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Wei Yang Subject: [Patch v2 2/3] mm/mmap.c: __vma_unlink_prev is not necessary now Date: Sun, 6 Oct 2019 09:26:35 +0800 Message-Id: <20191006012636.31521-2-richardw.yang@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191006012636.31521-1-richardw.yang@linux.intel.com> References: <20191006012636.31521-1-richardw.yang@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The third parameter of __vma_unlink_common could differentiate these two types. __vma_unlink_prev is not necessary now. Signed-off-by: Wei Yang --- v2: rebase on top of 5.4-rc1 --- mm/mmap.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index c61403f25833..2ca805209c47 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -702,13 +702,6 @@ static __always_inline void __vma_unlink_common(struct mm_struct *mm, vmacache_invalidate(mm); } -static inline void __vma_unlink_prev(struct mm_struct *mm, - struct vm_area_struct *vma, - struct vm_area_struct *prev) -{ - __vma_unlink_common(mm, vma, vma); -} - /* * We cannot adjust vm_start, vm_end, vm_pgoff fields of a vma that * is already present in an i_mmap tree without adjusting the tree. @@ -883,7 +876,7 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start, * us to remove next before dropping the locks. */ if (remove_next != 3) - __vma_unlink_prev(mm, next, vma); + __vma_unlink_common(mm, next, next); else /* * vma is not before next if they've been -- 2.17.1