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Subject: Re: [PATCH 4/8] struct page: add field for vm_struct
To:     Matthew Wilcox <willy@infradead.org>,
        Igor Stoppa <igor.stoppa@huawei.com>
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 <why2jjj.linux@gmail.com>
Message-ID: <7b18521c-539b-2ba1-823e-e83be071c13f@gmail.com>
Date:   Wed, 14 Mar 2018 10:43:37 -0700
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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 <igor.stoppa@huawei.com>
> Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>

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