linux-kernel - Re: [PATCH 0/3]: compressed in-memory swapping

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Message-ID:  <loom.20090317T233246-703@post.gmane.org>
Date:	Tue, 17 Mar 2009 23:34:31 +0000 (UTC)
From:	Russ Dill <Russ.Dill@...il.com>
To:	linux-kernel@...r.kernel.org
Subject:  Re: [PATCH 0/3]: compressed in-memory swapping

Nitin Gupta <ngupta <at> vflare.org> writes:

> 
> Hi,
> 
> Project home: http://code.google.com/p/compcache/
> 
> It allows creating a RAM based block device which acts as swap disk.
> Pages swapped to this device are compressed and stored in memory itself.
> This is a big win over swapping to slow hard-disk which are typically used
> as swap disk. For flash, these suffer from wear-leveling issues when used
> as swap disk - so again its helpful. For swapless systems, it allows more
> apps to run.
> 

I would recommend making xvmalloc the 1/3 instead of 2/3 so that the commit is
bisectable.

I really like this project and I'm especially impressed with how the SSD ATAPI
discard command fell in nicely with the discard requirement for compcache.

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