linux-kernel - Re: [PATCH v7 3/6] mm: Introduce VM

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Date:	Wed, 26 Aug 2015 17:35:41 +0200
From:	Vlastimil Babka <vbabka@...e.cz>
To:	Michal Hocko <mhocko@...nel.org>,
	Eric B Munson <emunson@...mai.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Corbet <corbet@....net>,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	linux-mm@...ck.org, linux-api@...r.kernel.org
Subject: Re: [PATCH v7 3/6] mm: Introduce VM_LOCKONFAULT

On 08/26/2015 09:20 AM, Michal Hocko wrote:
> On Tue 25-08-15 15:03:00, Eric B Munson wrote:
> [...]
>> Would you drop your objections to the VMA flag if I drop the portions of
>> the patch that expose it to userspace?
>>
>> The rework to not use the VMA flag is pretty sizeable and is much more
>> ugly IMO.  I know that you are not wild about using bit 30 of 32 for
>> this, but perhaps we can settle on not exporting it to userspace so we
>> can reclaim it if we really need it in the future?
>
> Yes, that would be definitely more acceptable for me. I do understand
> that you are not wild about changing mremap behavior.

+1
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