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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B517C433F5 for ; Thu, 21 Oct 2021 15:03:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3AD9B611C7 for ; Thu, 21 Oct 2021 15:03:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3AD9B611C7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 9598F6B006C; Thu, 21 Oct 2021 11:03:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 909966B0071; Thu, 21 Oct 2021 11:03:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7F990900002; Thu, 21 Oct 2021 11:03:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0008.hostedemail.com [216.40.44.8]) by kanga.kvack.org (Postfix) with ESMTP id 6D8CE6B006C for ; Thu, 21 Oct 2021 11:03:05 -0400 (EDT) Received: from smtpin32.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 32A2C2D4C3 for ; Thu, 21 Oct 2021 15:03:05 +0000 (UTC) X-FDA: 78720762330.32.504B500 Received: from mail-ua1-f50.google.com (mail-ua1-f50.google.com [209.85.222.50]) by imf13.hostedemail.com (Postfix) with ESMTP id EE44210432DB for ; Thu, 21 Oct 2021 15:03:00 +0000 (UTC) Received: by mail-ua1-f50.google.com with SMTP id e10so1819238uab.3 for ; Thu, 21 Oct 2021 08:03:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:from:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=NFnR22hfDdrgPSu0cBsoVgV5CbCy1+VxTcHNVAF5qjA=; b=HdyMtjFKAdH5GpBXfjr1F5lz47qRUCEFlDlrNlUCTaRrmCHC1vl/mT2P6sGJ2W7Bdi /NEhUB+3Th2OlWtCftG36mM+jLkdMT+g3mVXuLytEd9idIkYcxkdH4sThHDIxkqPYoPt RJLNCXTB9F3rZCupnsJT/w/fhN09EQfTAz95hi7M0/UGUVlmU4TC46j8lS3b+kvoSnRs NwGYeWnrFXHD3u7zb2xP8RmXl7cm6bD9ZGw5aU1E07anUOARFDOSOfwJV65pMe2AxYJH QQP/Ht5X8FkhweDZVRjwSHWHGF83OBqoCFyPL7UhDaQnVdplAp2q5DIHJK0ZSHTNpkkh AvDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=NFnR22hfDdrgPSu0cBsoVgV5CbCy1+VxTcHNVAF5qjA=; b=br/DQQwHFRQpnNBXg5XPKFCI6HF1FK3KGD1r8y/TM/7aGn+KPxtfbH3bk7Zy5WNLzh 5sqGIpVr3B0BPvbiv5LQr4yNkUzlml337Cg9s0HZj8ra2Ulz2GKnVzkK5LKPvI9EsSBV tk2Kv1V5VuEv7bJjZVffbsh9MeUEvQhAY3O71wG9Nwoia/GzgYYPwJiEZwYlcz0mOFIq yd+wiezAuo3JZNukSh8hW9SMxi44Y3RCH+cozLvnSZG3E+YpYsfgjPCYPXWsK4ZlQQEb orvetZOzH/u37Ps0usNjJL2i02QNA8zj8b5p7Iz7PtjmMCkdiX+YqTGU8ob1+BH543lp 30Jg== X-Gm-Message-State: AOAM5303UgbYGpzuFBmTp0ylpkQTeYIzw3mJb/JkwHjRq/M0pYPHeGI6 4jyu+123gU6vmYOtb8M0INOIeNWwY1fOnoVA X-Google-Smtp-Source: ABdhPJzNpTH9e1yNxNwt2w1c/BxAo/rtOgKqKBh9Tq4XnJgK7ZLls+MIhN3IRST5xixA9DIRuhgjTQ== X-Received: by 2002:a05:6102:3ec3:: with SMTP id n3mr7185007vsv.48.1634828583937; Thu, 21 Oct 2021 08:03:03 -0700 (PDT) Received: from [10.0.0.100] ([179.223.196.182]) by smtp.gmail.com with ESMTPSA id u13sm3180279vsl.11.2021.10.21.08.03.03 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 21 Oct 2021 08:03:03 -0700 (PDT) To: linux-mm@kvack.org From: Pedro Demarchi Gomes Subject: Make KSM code hugepage aware Message-ID: <09e9a4c9-cb4d-74e2-0261-2216c3afce30@gmail.com> Date: Thu, 21 Oct 2021 12:03:01 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: EE44210432DB X-Stat-Signature: jdczzwz1ikrx7md9fncfpuio8ywyjyp6 Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=HdyMtjFK; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf13.hostedemail.com: domain of pedrodemargomes@gmail.com designates 209.85.222.50 as permitted sender) smtp.mailfrom=pedrodemargomes@gmail.com X-HE-Tag: 1634828580-663607 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Is it possible/desirable to make KSM code hugepage aware, avoiding to split huge pages to compare and merge their pages? Would it impact significantly in performance?