Re: [PATCH] mm/memcontrol: replace '== root_mem_cgroup' with mem_cgroup_is_root

[Roman Gushchin]

On Wed, Nov 04, 2020 at 11:14:57PM +0800, Hui Su wrote:
> We have supplied the inline func: mem_cgroup_is_root().
> So we may use mem_cgroup_is_root() instead of using
> 'memcg == root_mem_cgroup' or 'memcg != root_mem_cgroup'
> directly, which is more readable.

Most of these comparisons will go away soon:
https://lkml.org/lkml/2020/10/21/612 (this is
an rfc version, I'll send an updated version soon).

Thanks!