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Date: Tue, 27 May 2014 10:14:10 -0500 (CDT)
From: Christoph Lameter <cl@gentwo.org>
Subject: Re: [RFC][PATCH 0/5] VM_PINNED
In-Reply-To: <20140527144655.GC19143@laptop.programming.kicks-ass.net>
Message-ID: <alpine.DEB.2.10.1405271011100.14466@gentwo.org>
References: <20140526145605.016140154@infradead.org> <CALYGNiMG1NVBUS4TJrYJMr92yWGZHSdGUdCGtBJDHoUMMhE+Wg@mail.gmail.com> <20140526203232.GC5444@laptop.programming.kicks-ass.net> <CALYGNiO8FNKjtETQMRSqgiArjfQ9nRAALUg9GGdNYbpKru=Sjw@mail.gmail.com>
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To: Peter Zijlstra <peterz@infradead.org>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>, "linux-mm@kvack.org" <linux-mm@kvack.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Andrew Morton <akpm@linux-foundation.org>, Hugh Dickins <hughd@google.com>, Mel Gorman <mgorman@suse.de>, Roland Dreier <roland@kernel.org>, Sean Hefty <sean.hefty@intel.com>, Hal Rosenstock <hal.rosenstock@gmail.com>, Mike Marciniszyn <infinipath@intel.com>

On Tue, 27 May 2014, Peter Zijlstra wrote:

> Well, like with IB, they start out as normal userspace pages, and will
> be from ZONE_MOVABLE.

Well we could change that now I think. If the VMA has VM_PINNED set
pages then do not allocate from ZONE_MOVABLE.

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