From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELvr697grDChAaq3OZEpS5Vw/IlUaEIBuo7J8Y+CPog/B/52K0RuRTNlWC4mG75/TSTDGsFC ARC-Seal: i=1; a=rsa-sha256; t=1521049449; cv=none; d=google.com; s=arc-20160816; b=NkG+nA3thA+RjXmNH8sDSQMpSrg5kxklVIbWpYb3CYYz25w+rPGx3Wb1R2SvL+lE0m I1KCq9aVjCiFAFr1hbLTaPEKKbNxeKDaGpY0GX8MKjulvKutTzuAwkMe7YeYj0YkwuJC sB4q7F2qChJIP0Wz6wIMoESNUsqhlzwHo+DF7cJRlkD2lXrDv9IugcA/aPJn3HfzDEJz mxQQKmWIuMJfd8+lpw8/dTl6ES8mVTQ27HpmsB8OGOvdgp3eZlgfD6puy3FK4zTXTpRm pkVtsm0D1Iuti7qDRklFAVwDbwm1R6Sz8lEheIhK3FCPQkn3gV3bhA2p527SV9POzGdR x5UA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-language:content-transfer-encoding:in-reply-to:mime-version :user-agent:date:message-id:from:references:cc:to:subject :dkim-signature:delivered-to:list-id:list-subscribe:list-unsubscribe :list-help:list-post:precedence:mailing-list :arc-authentication-results; bh=yzdILt00B4EjKrlLJ7gnXbMNAFLn3k/aGh1gRsS+7Hg=; b=M+FWEgmn0JgKQrBNLWwhK6r+X/J8h5MMmfEaxeVL7itAWCodHtDqTLquEfA45+HI3y hGnipw4zE4Gp1exekZ1wYDYH7NF23w4dp+fvS3a7VcZQWEvnwm4tovc5bNiMOw2UFk84 I2dyNVMM+dBgyBiEdTCXWTo06SAaHtB/U3SnEDo2zuijs5wnzTDAApIX8VXt7KXw8miV O34RrRaAqi/4oeW7cmGpUIqAM1oXPZfKbWhsG26iUqATJqyL7LYtJoSWED9Fp0zqEVxv MiPjQSjXjsy7p7At+rXZp5VVh/cRT1GMJMkBFke/zgOzxsQW+95Dhdafpyp8peRCS0Tr RNDQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=H113QMdJ; spf=pass (google.com: domain of kernel-hardening-return-12612-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-12612-gregkh=linuxfoundation.org@lists.openwall.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=H113QMdJ; spf=pass (google.com: domain of kernel-hardening-return-12612-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-12612-gregkh=linuxfoundation.org@lists.openwall.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm List-Post: List-Help: List-Unsubscribe: List-Subscribe: Subject: Re: [PATCH 4/8] struct page: add field for vm_struct To: Matthew Wilcox , Igor Stoppa Cc: david@fromorbit.com, rppt@linux.vnet.ibm.com, keescook@chromium.org, mhocko@kernel.org, labbott@redhat.com, linux-security-module@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com References: <20180313214554.28521-1-igor.stoppa@huawei.com> <20180313214554.28521-5-igor.stoppa@huawei.com> <20180313220040.GA15791@bombadil.infradead.org> From: J Freyensee Message-ID: <7b18521c-539b-2ba1-823e-e83be071c13f@gmail.com> Date: Wed, 14 Mar 2018 10:43:37 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <20180313220040.GA15791@bombadil.infradead.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1594860882497845479?= X-GMAIL-MSGID: =?utf-8?q?1594935947558139439?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 3/13/18 3:00 PM, Matthew Wilcox wrote: > On Tue, Mar 13, 2018 at 11:45:50PM +0200, Igor Stoppa wrote: >> When a page is used for virtual memory, it is often necessary to obtain >> a handler to the corresponding vm_struct, which refers to the virtually >> continuous area generated when invoking vmalloc. >> >> The struct page has a "mapping" field, which can be re-used, to store a >> pointer to the parent area. >> >> This will avoid more expensive searches, later on. >> >> Signed-off-by: Igor Stoppa > Reviewed-by: Matthew Wilcox Igor, do you mind sticking these tags on the files that have spent some time reviewing a revision of your patchset (like the Reviewed-by: tags I provided last revision?) Thanks, Jay