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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 175ECC433EF for ; Fri, 27 May 2022 21:16:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6CAFC8D0003; Fri, 27 May 2022 17:16:43 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 651968D0002; Fri, 27 May 2022 17:16:43 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4C9D98D0003; Fri, 27 May 2022 17:16:43 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 38F558D0002 for ; Fri, 27 May 2022 17:16:43 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 0253E20CD3 for ; Fri, 27 May 2022 21:16:42 +0000 (UTC) X-FDA: 79512782286.28.612446A Received: from mail-ed1-f54.google.com (mail-ed1-f54.google.com [209.85.208.54]) by imf02.hostedemail.com (Postfix) with ESMTP id CB23080048 for ; Fri, 27 May 2022 21:16:38 +0000 (UTC) Received: by mail-ed1-f54.google.com with SMTP id q15so6817762edb.11 for ; Fri, 27 May 2022 14:16:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=zWvlDm9hhFZkrdkaC2XFt8A0sbOQiaJ6DORh+Lhw6t4=; b=KLVb2+ZQN7uzvUyG53PLJ4bW9v/lK1hnNTEPLTSnKJMx1XDAMsoG0gSCiA5/EK6W9g eJhz2DcTPyc8DQxcwPtTwMM1+LB2IpnoMiivvViaP9prQ4XJppRIPWadklHfLOmsJ89R kB4Owxt2t9GWzcDKbnHacxYwvdww97EIIZPyR8uqjaAQ8ftttQiK0g+ny1BtTiCd0ulD S/H2uuaBbaMys1eN1qkzWPITJoxe3vuUq7BagicWa+2yIOen7pZNuQ8oUFxofKYxo4vq 2VAdMM56PnhpvVpMKR8xI84zhY0f2c/tyWkAPoCz3qMNY8uZE/F0dIJk7P/prrsWGPyt 7dbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=zWvlDm9hhFZkrdkaC2XFt8A0sbOQiaJ6DORh+Lhw6t4=; b=gGhVMThwwNWYg5Foy/cU3xuqQMLdDnIrSrudNFxmlOzbTqCdbXxN0POHU9OtAHK6Sn 4EXYtoi5PqatW/mexeJ174+5cl8fFobCbxmQ6CAQgLuF2R3oGoKqXjA1TqRc5Nbu7AVB xY5MvIoVRofIp0w6FCjSr1sILD0HUHZl/Vekouw1UZ0hh3alTSpTR9kdYCcVG02dPm7+ Jhto2+ebtqPdQTzZP7cr2Sqk0PCYtl925MjSi3d89gZwzlBURcVaimZ9orYJ0kggiwRM RttON+WmKkp1rohYFVEqnxqwGwEDKUnXfZsidcKG6IPx/jrxRp+PwaIdQbCX5lcZ7qGU 8UHA== X-Gm-Message-State: AOAM530yObafJACRJeP6igvYwNv7c5oRmjjt1GUBzCl/fPNghvbqdiUv 3Q41zwpifOppoHEmlzELspc= X-Google-Smtp-Source: ABdhPJziiLWf8KmbLEe2nDi77yclj3z5r9rxzbT0FP3vuoeKGDp/Fq1qhDenHdS+uXLKORJQqvhX0A== X-Received: by 2002:a05:6402:4c1:b0:42b:e03f:d940 with SMTP id n1-20020a05640204c100b0042be03fd940mr8746801edw.235.1653686201174; Fri, 27 May 2022 14:16:41 -0700 (PDT) Received: from orion.localdomain ([93.99.228.15]) by smtp.gmail.com with ESMTPSA id g18-20020a170906869200b006f3ef214df2sm1771278ejx.88.2022.05.27.14.16.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 May 2022 14:16:40 -0700 (PDT) Received: by orion.localdomain (Postfix, from userid 1003) id 0DF9FA0017; Fri, 27 May 2022 23:17:10 +0200 (CEST) From: =?UTF-8?q?Jakub=20Mat=C4=9Bna?= To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, patches@lists.linux.dev, linux-kernel@vger.kernel.org, vbabka@suse.cz, mhocko@kernel.org, mgorman@techsingularity.net, willy@infradead.org, liam.howlett@oracle.com, hughd@google.com, kirill@shutemov.name, riel@surriel.com, rostedt@goodmis.org, peterz@infradead.org, =?UTF-8?q?Jakub=20Mat=C4=9Bna?= Subject: [PATCH v2 0/2] Refactor of vma_merge and new merge call Date: Fri, 27 May 2022 23:17:06 +0200 Message-Id: <20220527211708.839033-1-matenajakub@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Stat-Signature: uzipmfa5ij69o568h3owke1igz1ffsph Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=KLVb2+ZQ; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf02.hostedemail.com: domain of matenajakub@gmail.com designates 209.85.208.54 as permitted sender) smtp.mailfrom=matenajakub@gmail.com X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: CB23080048 X-HE-Tag: 1653686198-908997 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: I am currently working on my master's thesis trying to increase number of merges of VMAs currently failing because of page offset incompatibility and difference in their anon_vmas. The following refactor and added merge call included in this series is just two smaller upgrades I created along the way. The rest of the work is still being worked on but was send to mailing list as a RFC: https://lore.kernel.org/all/20220516125405.1675-1-matenajakub@gmail.com/ This patch series is based on tag v5.18-rc2. This is second version, I forgot to include one header file in the first version. Jakub Matěna (2): mm: refactor of vma_merge() mm: add merging after mremap resize mm/mmap.c | 87 +++++++++++++++++++++++------------------------------ mm/mremap.c | 8 +++-- 2 files changed, 43 insertions(+), 52 deletions(-) -- 2.35.1