From: Dan Magenheimer <dan.magenheimer@oracle.com>
To: Seth Jennings <sjenning@linux.vnet.ibm.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
jeremy@goop.org, hughd@google.com, ngupta@vflare.org,
Konrad Wilk <konrad.wilk@oracle.com>,
JBeulich@novell.com, Kurt Hackel <kurt.hackel@oracle.com>,
npiggin@kernel.dk, akpm@linux-foundation.org, riel@redhat.com,
hannes@cmpxchg.org, matthew@wil.cx,
Chris Mason <chris.mason@oracle.com>,
jackdachef@gmail.com, cyclonusj@gmail.com
Subject: RE: Subject: [PATCH V7 2/4] mm: frontswap: core code
Date: Thu, 25 Aug 2011 10:52:18 -0700 (PDT) [thread overview]
Message-ID: <75ecaef7-054a-4acd-b1c5-8041ccde3501@default> (raw)
In-Reply-To: <4E564E4D.4030302@linux.vnet.ibm.com>
> From: Seth Jennings [mailto:sjenning@linux.vnet.ibm.com]
> To: KAMEZAWA Hiroyuki
>
> On 08/25/2011 01:05 AM, KAMEZAWA Hiroyuki wrote:
> <cut>
> >
> >
> > I'm sorry if I miss codes but.... is an implementation of frontswap.ops included
> > in this patch set ? Or how to test the work ?
>
> The zcache driver (in drivers/staging/zcache) is the one that registers frontswap ops.
>
> You can test frontswap by enabling CONFIG_FRONTSWAP and CONFIG_ZCACHE, and putting
> "zcache" in the kernel boot parameters.
Also see Xen tmem (in drivers/xen). I am also working on a related project
called RAMster that uses frontswap. And someone has started code for KVM
to work with transcendent memory (including frontswap). But for now zcache
is the only non-virtualization in-kernel user for frontswap.
Dan
P.S. A recent build fix for zcache is necessary for it to work without
manual modification to the zcache Makefile.
See 8c70aac04e01a08b7eca204312946206d1c1baac in Linus's tree.
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next prev parent reply other threads:[~2011-08-25 17:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-23 14:58 Dan Magenheimer
2011-08-25 6:05 ` KAMEZAWA Hiroyuki
2011-08-25 13:29 ` Seth Jennings
2011-08-25 17:52 ` Dan Magenheimer [this message]
2011-08-25 17:37 ` Dan Magenheimer
2011-08-26 0:16 ` KAMEZAWA Hiroyuki
2011-08-26 14:28 ` Dan Magenheimer
2011-08-29 15:47 ` Dan Magenheimer
2011-08-26 14:53 ` Dan Magenheimer
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