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Date: Tue, 3 Mar 2015 14:22:41 -0600 (CST)
From: Christoph Lameter <cl@linux.com>
Subject: Re: Resurrecting the VM_PINNED discussion
In-Reply-To: <54F617A2.8040405@suse.cz>
Message-ID: <alpine.DEB.2.11.1503031422260.16199@gentwo.org>
References: <20150303174105.GA3295@akamai.com> <54F5FEE0.2090104@suse.cz> <20150303184520.GA4996@akamai.com> <54F617A2.8040405@suse.cz>
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Sender: owner-linux-mm@kvack.org
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To: Vlastimil Babka <vbabka@suse.cz>
Cc: Eric B Munson <emunson@akamai.com>, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Peter Zijlstra <peterz@infradead.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, 3 Mar 2015, Vlastimil Babka wrote:

> It also passes TTU_IGNORE_MLOCK to try_to_unmap(). So what am I missing? Where
> is this restriction?

Its in the defrag code.

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