Re: [PATCH] mm, memcg: expose swapcache stat for memcg v1
From: Christoph Hellwig
Date: Tue Sep 26 2023 - 03:30:14 EST
On Sat, Sep 02, 2023 at 06:07:28PM +0800, Liu Shixin wrote:
> Since commit b6038942480e ("mm: memcg: add swapcache stat for memcg v2")
> adds swapcache stat for the cgroup v2, it seems there is no reason to
> hide it in memcg v1. Conversely, with swapcached it is more accurate to
> evaluate the available memory for memcg.
Why are we adding new features to the long deprecated cgroup v1?