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Date: Wed, 14 Mar 2018 10:43:37 -0700
From: J Freyensee <why2jjj.linux@...il.com>
To: Matthew Wilcox <willy@...radead.org>, Igor Stoppa <igor.stoppa@...wei.com>
Cc: david@...morbit.com, rppt@...ux.vnet.ibm.com, keescook@...omium.org,
mhocko@...nel.org, labbott@...hat.com,
linux-security-module@...r.kernel.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH 4/8] struct page: add field for vm_struct
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@...wei.com>
> Reviewed-by: Matthew Wilcox <mawilcox@...rosoft.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
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