Re: [PATCH v7 6/6] zsmalloc: Implement writeback mechanism for zsmalloc

From: Johannes Weiner
Date: Mon Nov 28 2022 - 14:28:37 EST


On Mon, Nov 28, 2022 at 11:16:15AM -0800, Nhat Pham wrote:
> This commit adds the writeback mechanism for zsmalloc, analogous to the
> zbud allocator. Zsmalloc will attempt to determine the coldest zspage
> (i.e least recently used) in the pool, and attempt to write back all the
> stored compressed objects via the pool's evict handler.
>
> Signed-off-by: Nhat Pham <nphamcs@xxxxxxxxx>

Ok, this now also has the get_first_page() and the cond_resched() that
Sergey had asked for. Looks good to me.

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>