From patchwork Thu Jan 25 03:49:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yajun Deng X-Patchwork-Id: 13529985 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FA71C47258 for ; Thu, 25 Jan 2024 03:49:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 14E876B0080; Wed, 24 Jan 2024 22:49:43 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0D62C6B0081; Wed, 24 Jan 2024 22:49:43 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EB8E56B0082; Wed, 24 Jan 2024 22:49:42 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id D739D6B0080 for ; Wed, 24 Jan 2024 22:49:42 -0500 (EST) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id AABCAC0758 for ; Thu, 25 Jan 2024 03:49:42 +0000 (UTC) X-FDA: 81716454204.27.76193BA Received: from out-174.mta1.migadu.com (out-174.mta1.migadu.com [95.215.58.174]) by imf07.hostedemail.com (Postfix) with ESMTP id 10F8F4000B for ; Thu, 25 Jan 2024 03:49:40 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=VYWh6VeQ; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf07.hostedemail.com: domain of yajun.deng@linux.dev designates 95.215.58.174 as permitted sender) smtp.mailfrom=yajun.deng@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1706154581; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references:dkim-signature; bh=17qKi75qGgjXysBew06HKVO12vWbye98Ka2AcoY+EoY=; b=NpawEyvGVqTwwgqG9WoDY5AGfV4rC3+Xg5Uake1dZlczrhfLRk3eQ/0oKW/JzXO7ZGrqzN aE7jXJlUEGDhXEu9RD4NfTvbdhTEI7GQFG8E0iAPeaIYb9LmCpS/Dptstxq1Zd6SJ0qMOX sJPoy1BdkX2ln7l3bfNCPbOaesXlP7M= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=VYWh6VeQ; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf07.hostedemail.com: domain of yajun.deng@linux.dev designates 95.215.58.174 as permitted sender) smtp.mailfrom=yajun.deng@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1706154581; a=rsa-sha256; cv=none; b=WMEu38JB9ViC+qFjUuVm94mQCbp8yG03GUMffrzSPg/n9T3/RXP8TxK4K94925VHltK14q TQG/Uop6yXBUREbzdwzxOH1NUQqYQ3z+CH/FEoWHowjgLk9tBRqX5LGfcvWt2hywPPumdk q6u2sRIr4c23j2MPb4vyMCYdjULYicQ= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1706154578; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=17qKi75qGgjXysBew06HKVO12vWbye98Ka2AcoY+EoY=; b=VYWh6VeQ8MOZCclfJT0knJEbPmzHhZmHeCK7VnsMOH0fG28JKZR2pFfOEPiDCYmkj2fTwT mNSn+mZy59niJ9nFT4YJyyt2JEKzF6w2HdStpdD73ZpLSU1w7hh+P04UvxhGDSi5XCDMwI HgWWw0EtfR2odZWnnP6MTkdp00mZARU= From: Yajun Deng To: akpm@linux-foundation.org Cc: Liam.Howlett@Oracle.com, lstoakes@gmail.com, viro@zeniv.linux.org.uk, brauner@kernel.org, vbabka@suse.cz, willy@infradead.org, surenb@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yajun Deng Subject: [PATCH v2 0/2] mm/mmap: simplify vma_merge() Date: Thu, 25 Jan 2024 11:49:20 +0800 Message-Id: <20240125034922.1004671-1-yajun.deng@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Stat-Signature: ooyr4g8itnxtggkk74ts8e5mrz8mfp8c X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 10F8F4000B X-HE-Tag: 1706154580-264934 X-HE-Meta: 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 36Vibn2V 9IUrSSnBOvsVbo4Vqt3juxlm2P84fLW+9a+o7crsPF8rYXtaJip1EAbnNj8MEFoObqn5nzGwSyWsGQ1u/C9CV8ZDe8guCM7wTTjMrUMRzgBVozyUDodYjk3h+hlD116OjZimbKkq26ud/sYeyGvFGwr/+jpyPP2C8btBYHLJzTs4QfvE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.001278, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The vma_merge() has too many parameters, we can pass vma to vma_merge(), so that it can save two parameters. Since the src vma was passed, find_vma_intersection() can be removed. v2: split it into two patches. v1: https://lore.kernel.org/all/20240118082312.2801992-1-yajun.deng@linux.dev/ Yajun Deng (2): mm/mmap: pass vma to vma_merge() mm/mmap: remove find_vma_intersection() in vma_merge() mm/mmap.c | 42 ++++++++++++++++++++++-------------------- 1 file changed, 22 insertions(+), 20 deletions(-)