linux-kernel - Re: [RFC][PATCH] HWPOISON: remove the unsafe __set_page

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Message-ID: <20090926191454.GD14368@wotan.suse.de>
Date:	Sat, 26 Sep 2009 21:14:54 +0200
From:	Nick Piggin <npiggin@...e.de>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC][PATCH] HWPOISON: remove the unsafe __set_page_locked()

On Sat, Sep 26, 2009 at 07:48:06PM +0800, Wu Fengguang wrote:
> On Sat, Sep 26, 2009 at 07:09:21PM +0800, Hugh Dickins wrote:
> > It seems to me that the Intel hardware guys have done half a job
> > here: the sooner they get to remapping the bad pages, the better.
> 
> When we can offer to set aside half memory :)

Maybe even adding to the ECC error codes so uncorrected errors
are reduced to a similar frequency to other sources of errors in
the hardware. That seems like the sanest thing to me, but it's
not mine to wonder...

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