Re: [RFC PATCH 2/2] zsmalloc: chain-length configuration should consider other metrics

From: Sergey Senozhatsky

Date: Wed Jan 07 2026 - 00:43:49 EST


On (26/01/07 05:39), Yosry Ahmed wrote:
> > On Tue, Jan 06, 2026 at 04:24:45PM +0000, Yosry Ahmed wrote:
[..]
> > Adding native SG support to LZO simply means removing the memcpy that
> > scomp would otherwise have to do.
>
> Yeah the effort to add native support to compressors can be done
> separately. For zswap, I think the most common compressors are
> actually zstd and LZ4.

I think it's the same for chromeos: lz4 (primary) and zstd
(secondary/recompression). zstd looks very complicated,
not sure if we really want to diverge its codebase from
the upstream (meta github repo).