Re: [PATCH] zram: remove global tb_lock by using lock-free CAS

[Minchan Kim]

On Wed, May 07, 2014 at 11:52:59PM +0900, Joonsoo Kim wrote:
> >> Most popular use of zram is the in-memory swap for small embedded system
> >> so I don't want to increase memory footprint without good reason although
> >> it makes synthetic benchmark. Alhought it's 1M for 1G, it isn't small if we
> >> consider compression ratio and real free memory after boot
> 
> We can use bit spin lock and this would not increase memory footprint for 32 bit
> platform.

Sounds like a idea.
Weijie, Do you mind testing with bit spin lock?

> 
> Thanks.
> 
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Kind regards,
Minchan Kim
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