Re: [PATCH v2] zbud: allow up to PAGE_SIZE allocations

Sergey Senozhatsky
2015-09-25T09:58:16Z

On (09/25/15 10:27), Vitaly Wool wrote:
> > Have you seen those symptoms before? How did you come up to a conclusion
> > that zram->zbud will do the trick?
>
> I have data from various tests (partially described here:
> https://lkml.org/lkml/2015/9/17/244) and once again, I'll post a reply

yeah, I guess I'm just not so bright to quickly understand what is wrong
with zsmalloc from those numbers.

> to https://lkml.org/lkml/2015/9/15/33 with more detailed test
> description and explanation why zsmalloc is not the right choice for
> me.

great, thanks.

> > If those symptoms are some sort of a recent addition, then does it help
> > when you disable zsmalloc compaction?
>
> No it doesn't. OTOH enabled zsmalloc compaction doesn't seem to have a
> substantial effect either.

hm. ok, that was my quick guess.

-ss