[linux-mm-cc] Disk swapping compression after ramswap is full

Nitin Gupta nitingupta910 at gmail.com
Tue Jun 23 08:58:03 EDT 2009


On 06/23/2009 05:37 PM, Janne Lääkkö wrote:
> Is compcache able to do disk swapping straight with compressed data to 
> backing disk swap? Or will it first decompress the data or just bypass 
> the whole ramswap?

Currently, compcache cannot swap out pages to backing disk. It can only 
forward incompressible pages to backing disk.
Plan is to support the former - swap out compressed data to backing 
disk. This will be helpful for both rotational disks and SSDs.

Nitin



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