From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx203.postini.com [74.125.245.203]) by kanga.kvack.org (Postfix) with SMTP id 45B296B0044 for ; Thu, 10 May 2012 13:17:16 -0400 (EDT) Message-ID: <4FABF80D.3040803@cs.wisc.edu> Date: Thu, 10 May 2012 12:17:01 -0500 From: Mike Christie MIME-Version: 1.0 Subject: Re: [PATCH 00/17] Swap-over-NBD without deadlocking V10 References: <1336657510-24378-1-git-send-email-mgorman@suse.de> In-Reply-To: <1336657510-24378-1-git-send-email-mgorman@suse.de> Content-Type: multipart/mixed; boundary="------------020903070100040605000103" Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Andrew Morton , Linux-MM , Linux-Netdev , LKML , David Miller , Neil Brown , Peter Zijlstra , Eric B Munson This is a multi-part message in MIME format. --------------020903070100040605000103 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit 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. --------------020903070100040605000103 Content-Type: text/plain; charset=UTF-8; name="0001-iscsi-Set-SOCK_MEMALLOC-for-access-to-PFMEMALLOC-res.patch" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename*0="0001-iscsi-Set-SOCK_MEMALLOC-for-access-to-PFMEMALLOC-res.pa"; filename*1="tch" --------------020903070100040605000103--