From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f45.google.com (mail-ed1-f45.google.com [209.85.208.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 089A523A3 for ; Fri, 27 May 2022 21:16:42 +0000 (UTC) Received: by mail-ed1-f45.google.com with SMTP id er5so6832731edb.12 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=L4Dv0AH83nHyWHeQJwmWseoT3i6dBNHUAWUEvpvUT46/WgVlCgOWZbY7mvcSXs+9ni STa+/WAO6uREVE2rq720EVKIrtun003jMoUzzcjBLlTDBWmLt8aRwiNUt88AQKkUGXaN XNSjEulIplsONhLicsegb90nowwsksWJJXJPAKWiVSEZPljbHkmcrNXZmT5Nc88OM57n Ovfsn9PIzkfC60kiVWfeQFjDqPx0409p5z9h+Wxe9011e2d3aeTblnVEs1/U7cTc63Hc N6V8fC3wfaTw2SfRjtUC6UqlIZFwqz/FWNHGW77+lZGGRDzMMaRwSM9NM1cVlXzcyH6k Qkrw== X-Gm-Message-State: AOAM533JCXS4qlBcvOtAiN/Jj9/35PLBmT7ek4P0ooqiDEnhUYc1BhgT 9cQIhc1EulPqN9MqfLbxGEE= 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 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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