Re: [PATCH 0/7] zram/zsmalloc promotion

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Hi Nitin,

On Mon, Aug 13, 2012 at 10:36:47PM -0700, Nitin Gupta wrote:
> On 08/13/2012 07:35 PM, Greg Kroah-Hartman wrote:
> > On Wed, Aug 08, 2012 at 03:12:13PM +0900, Minchan Kim wrote:
> >> This patchset promotes zram/zsmalloc from staging.
> >> Both are very clean and zram is used by many embedded product
> >> for a long time.
> >>
> >> [1-3] are patches not merged into linux-next yet but needed
> >> it as base for [4-5] which promotes zsmalloc.
> >> Greg, if you merged [1-3] already, skip them.
> > 
> > I've applied 1-3 and now 4, but that's it, I can't apply the rest
> > without getting acks from the -mm maintainers, sorry.  Please work with
> > them to get those acks, and then I will be glad to apply the rest (after
> > you resend them of course...)
> >
> 
> On a second thought, I think zsmalloc should stay in drivers/block/zram
> since zram is now the only user of zsmalloc since zcache and ramster are
> moving to another allocator. Secondly, zsmalloc does not provide
> standard slab like interface, so should not be part of mm/. At the best,
> it could be moved to lib/ with header in include/linux just like genalloc.

I don't care whether it's located in /mm or wherever.
But if we move it into out of /mm, I would like to confirm it from akpm.
AFAIRC, he had a concern about that because zsmalloc used a few fields of 
struct page freely so he wanted to locate it in /mm.

Andrew, Any thought?

>-- 
Kind regards,
Minchan Kim

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