Re: [PATCH v6 6/6] zsmalloc: Implement writeback mechanism for zsmalloc

From: Johannes Weiner
Date: Wed Nov 23 2022 - 12:27:30 EST


On Wed, Nov 23, 2022 at 08:30:44AM -0800, Nhat Pham wrote:
> I'll put it right after releasing the pool's lock in the retry loop:
>
> /* Lock out object allocations and object compaction */
> remove_zspage(class, zspage, fullness);
>
> spin_unlock(&pool->lock);
> cond_resched();
>
> /* Lock backing pages into place */
> lock_zspage(zspage);
>
> This will also appear in v7. In the meantime, please feel free to discuss all
> the patches - I'll try to batch the changes to minimize the churning.

Oh, our emails collided. This is easier than my version :)