Re: [RFC PATCH] zram: avoid preemption with CPU-based compression backends

[Sergey Senozhatsky]

On (26/08/05 18:34), Barry Song wrote:
> Thanks very much for your quick patch, Sergey.
> 
> We are going to run three experiments:
> 
> 1. Use the approach I just sent, which avoids calling zs_malloc()
>    with direct reclaim while holding the mutex, and extend it to
>    the other zs_malloc() call sites:
> 
> https://lore.kernel.org/all/20260805100740.71994-1-baohua@xxxxxxxxxx/
> 
> 2. Experiment 1 plus preemption disabled.
> 
> 3. Your patch, which separates the compression and decompression
>    mutexes.
> 
> I'd like to understand which change has the biggest impact on
> performance.
> 
> Let me gather some data, and I'll get back to you.

Thanks a lot!  Take your time!