linux-kernel - Re: [RFC][PATCH] Anonymous shared memory (ashmem) subsystem

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Message-ID: <20110719154130.GA26245@infradead.org>
Date:	Tue, 19 Jul 2011 11:41:31 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Hansen <dave@...ux.vnet.ibm.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Bryan Donlan <bdonlan@...il.com>,
	John Stultz <john.stultz@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Robert Love <rlove@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hughd@...gle.com>, Mel Gorman <mel@....ul.ie>,
	Rik van Riel <riel@...hat.com>,
	Eric Anholt <eric@...olt.net>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: [RFC][PATCH] Anonymous shared memory (ashmem) subsystem

On Tue, Jul 19, 2011 at 08:37:43AM -0700, Dave Hansen wrote:
> This implementation has some real show-stopper things in it, like its
> own LRU.  But, the concept seems interesting at least.

So if you care about it implement it sanely and not like a monkey on
crack would do it.  Having a madvice flag to allow reclaiming tmpfs
pages, and using the normal VM infrastructure sounds like a perfectly
fine feature.

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