linux-kernel - Re: [PATCH] [11/19] HWPOISON: Refactor truncate to allow direct truncating of page v2

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Message-ID: <20090805144112.GM11385@basil.fritz.box>
Date:	Wed, 5 Aug 2009 16:41:12 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Nick Piggin <npiggin@...e.de>
Cc:	Andi Kleen <andi@...stfloor.org>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	fengguang.wu@...el.com, hidehiro.kawai.ez@...achi.com,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH] [11/19] HWPOISON: Refactor truncate to allow direct
	truncating of page v2

> One question I had for the others (Andrew? other mm guys?) what is the
> feelings of merging this feature? Leaving aside exact implementation
> and just considering the high level design and cost/benefit. Last time
> there were some people objecting, so I wonder the situation now? So
> does anybody need more convincing? :)

The main objection last time was that it was a bit too late in the 
release schedule.

I can't remember anyone really questioning the basic feature itself.

> Also I will just cc linux-arch. It would be interesting to know whether
> powerpc, ia64, or s390 or others would be interested to use this feature?

ia64 is interested (but no code so far) I talked to DaveM and he seems to be 
interested for sparc too.  I would expect other server architectures to 
eventually use it as they get around to writing the necessary architecture 
specific glue.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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