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Date:	Thu, 10 May 2012 12:17:01 -0500
From:	Mike Christie <>
To:	Mel Gorman <>
CC:	Andrew Morton <>,
	Linux-MM <>,
	Linux-Netdev <>,
	LKML <>,
	David Miller <>, Neil Brown <>,
	Peter Zijlstra <>,
	Eric B Munson <>
Subject: Re: [PATCH 00/17] Swap-over-NBD without deadlocking V10

On 05/10/2012 08:44 AM, Mel Gorman wrote:
> When a user or administrator requires swap for their application, they
> create a swap partition and file, format it with mkswap and activate it
> with swapon. Swap over the network is considered as an option in diskless
> systems. The two likely scenarios are when blade servers are used as part
> of a cluster where the form factor or maintenance costs do not allow the
> use of disks and thin clients.

Thank you for working on this. I made the attached patch for software
iscsi which has the same issue as nbd.

I tested the patch here and did not notice any performance regressions
or any other bugs.

View attachment "0001-iscsi-Set-SOCK_MEMALLOC-for-access-to-PFMEMALLOC-res.patch" of type "text/plain" (1586 bytes)

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