Re: [PATCH v2 0/4] zcache: a compressed file page cache

[Bob Liu <bob.liu@oracle.com>]

Hi Greg,

On 08/06/2013 09:58 PM, Greg KH wrote:
> On Tue, Aug 06, 2013 at 07:36:13PM +0800, Bob Liu wrote:
>> Dan Magenheimer extended zcache supporting both file pages and anonymous pages.
>> It's located in drivers/staging/zcache now. But the current version of zcache is
>> too complicated to be merged into upstream.
> 
> Really?  If this is so, I'll just go delete zcache now, I don't want to
> lug around dead code that will never be merged.
> 

Zcache in staging have a zbud allocation which is almost the same as
mm/zbud.c but with different API and have a frontswap backend like
mm/zswap.c.
So I'd prefer reuse mm/zbud.c and mm/zswap.c for a generic memory
compression solution.
Which means in that case, zcache in staging = mm/zswap.c + mm/zcache.c +
mm/zbud.c.

But I'm not sure if there are any existing users of zcache in staging,
if not I can delete zcache from staging in my next version of this
mm/zcache.c series.

> greg k-h
> 
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-- 
Regards,
-Bob

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