On Fri, May 26, 2023 at 6:43 PM Miaohe Lin <linmiaohe@xxxxxxxxxx> wrote:
>
> for_each_e_css() is unused now. Remove it.
>
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
LGTM. I can't see any references in Linus's tree or mm-unstable.
Reviewed-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
> ---
> kernel/cgroup/cgroup.c | 15 ---------------
> 1 file changed, 15 deletions(-)
>
> diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
> index 625d7483951c..413b4f1f1b70 100644
> --- a/kernel/cgroup/cgroup.c
> +++ b/kernel/cgroup/cgroup.c
> @@ -689,21 +689,6 @@ EXPORT_SYMBOL_GPL(of_css);
> lockdep_is_held(&cgroup_mutex)))) { } \
> else
>
> -/**
> - * for_each_e_css - iterate all effective css's of a cgroup
> - * @css: the iteration cursor
> - * @ssid: the index of the subsystem, CGROUP_SUBSYS_COUNT after reaching the end
> - * @cgrp: the target cgroup to iterate css's of
> - *
> - * Should be called under cgroup_[tree_]mutex.
> - */
> -#define for_each_e_css(css, ssid, cgrp) \
> - for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT; (ssid)++) \
> - if (!((css) = cgroup_e_css_by_mask(cgrp, \
> - cgroup_subsys[(ssid)]))) \
> - ; \
> - else
> -
> /**
> * do_each_subsys_mask - filter for_each_subsys with a bitmask
> * @ss: the iteration cursor
> --
> 2.27.0
>
