Re: [PATCH v6 0/5] zram/zsmalloc promotion

From: Bob Liu
Date: Wed Aug 14 2013 - 20:18:51 EST

On Thu, Aug 15, 2013 at 12:17 AM, Minchan Kim <minchan@xxxxxxxxxx> wrote:
> Hi Luigi,
> On Wed, Aug 14, 2013 at 08:53:31AM -0700, Luigi Semenzato wrote:
>> During earlier discussions of zswap there was a plan to make it work
>> with zsmalloc as an option instead of zbud. Does zbud work for
> AFAIR, it was not an optoin but zsmalloc was must but there were
> several objections because zswap's notable feature is to dump
> compressed object to real swap storage. For that, zswap needs to
> store bounded objects in a zpage so that dumping could be bounded, too.
> Otherwise, it could encounter OOM easily.

AFAIR, the next step of zswap should be have a modular allocation layer so that
users can choose zsmalloc or zbud to use.


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