linux-kernel - Re: [GIT PULL] mm: frontswap (for 3.2 window)

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Message-Id: <4F63081B-84E7-4FF8-8920-5AF4B73895D1@oracle.com>
Date:	Fri, 28 Oct 2011 08:44:17 +1100
From:	Avi Miller <avi.miller@...cle.com>
To:	Dan Magenheimer <dan.magenheimer@...cle.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Konrad Wilk <konrad.wilk@...cle.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>, ngupta@...are.org,
	levinsasha928@...il.com, Chris Mason <chris.mason@...cle.com>,
	JBeulich@...ell.com, Dave Hansen <dave@...ux.vnet.ibm.com>,
	Jonathan Corbet <corbet@....net>, Neo Jia <cyclonusj@...il.com>
Subject: Re: [GIT PULL] mm: frontswap (for 3.2 window)

Hi Linus et al,

If further support is required:

On 28/10/2011, at 5:52 AM, Dan Magenheimer wrote:

> Linux kernel distros incorporating frontswap:
> - Oracle UEK 2.6.39 Beta:

I have been testing this kernel for a while now as well and is performing well. I have tested Xen HVM, HVPVM and PVM guests all with tmem enabled. Automated testing is scheduled to go into our test farm (that runs ~80,000 hours of QA of testing of Oracle products on Oracle Linux per day) soon.

> - OracleVM since 2.2 (2009)

Likewise. We are planning to incorporate Transcendent Memory support into future Oracle VM 3.0 releases as support functionality, i.e. that this will be enabled on a per-server/per-guest basis so that guests are capable of reducing memory footprint. We see this as a critical feature to compete with other hypervisor's memory sharing/de-duplication functionality.

Thanks,
Avi

---
Oracle <http://www.oracle.com>
Avi Miller | Principal Program Manager | +61 (412) 229 687
Oracle Linux and Virtualization
417 St Kilda Road, Melbourne, Victoria 3004 Australia

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