linux-kernel - Re: [PATCH 00/33] Swap over NFS -v14

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Message-Id: <200710311426.33223.nickpiggin@yahoo.com.au>
Date:	Wed, 31 Oct 2007 14:26:32 +1100
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	netdev@...r.kernel.org, trond.myklebust@....uio.no
Subject: Re: [PATCH 00/33] Swap over NFS -v14

On Wednesday 31 October 2007 03:04, Peter Zijlstra wrote:
> Hi,
>
> Another posting of the full swap over NFS series.

Hi,

Is it really worth all the added complexity of making swap
over NFS files work, given that you could use a network block
device instead?

Also, have you ensured that page_file_index, page_file_mapping
and page_offset are only ever used on anonymous pages when the
page is locked? (otherwise PageSwapCache could change)
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