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

From: Russ Dill
Date: Tue Mar 17 2009 - 19:34:57 EST


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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