linux-kernel - Re: [patch 0/6] fault vs truncate/invalidate race fix

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Date:	Tue, 27 Feb 2007 15:36:03 +1100
From:	"Dave Airlie" <airlied@...il.com>
To:	"Nick Piggin" <npiggin@...e.de>
Cc:	"Linux Memory Management" <linux-mm@...ck.org>,
	"Andrew Morton" <akpm@...l.org>,
	"Linux Kernel" <linux-kernel@...r.kernel.org>,
	"Benjamin Herrenschmidt" <benh@...nel.crashing.org>
Subject: Re: [patch 0/6] fault vs truncate/invalidate race fix

>
> I've also got rid of the horrible populate API, and integrated nonlinear pages
> properly with the page fault path.
>
> Downside is that this adds one more vector through which the buffered write
> deadlock can occur. However this is just a very tiny one (pte being unmapped
> for reclaim), compared to all the other ways that deadlock can occur (unmap,
> reclaim, truncate, invalidate). I doubt it will be noticable. At any rate, it
> is better than data corruption.
>
> I hope these can get merged (at least into -mm) soon.

Have these been put into mm? can I expect them in the next -mm so I
can start merging up the drm memory manager code to my -mm tree..

Dave.
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