Re: [PATCHv13 0/4] zswap: compressed swap caching

[Seth Jennings]

On Thu, Jun 13, 2013 at 08:34:38PM +0800, Bob Liu wrote:
> Hi Seth,
> 
> On 06/04/2013 04:33 AM, Seth Jennings wrote:
> > This is the latest version of the zswap patchset for compressed swap caching.
> > This is submitted for merging into linux-next and inclusion in v3.11.
> > 
> 
> Have you noticed that pool_pages >> stored_pages, like this:
> [root@ca-dev32 zswap]# cat *
> 0
> 424057
> 99538
> 0
> 2749448
> 0
> 24
> 60018
> 16837
> [root@ca-dev32 zswap]# cat pool_pages
> 97372
> [root@ca-dev32 zswap]# cat stored_pages
> 53701
> [root@ca-dev32 zswap]#
> 
> I think it's unreasonable to use more pool pages than stored pages!

Gah, in the moving of the zbud metadata for v13, I forgot to init the new
under_reclaim field of the zbud header.  Patch going out now.

Thanks for reporting!

Seth

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