On Tue, Feb 08, 2022 at 10:41:58AM -0800, Namhyung Kim wrote:
> The raw_spin_lock_init() uses the argument to name its lockdep map.
> But passing per_cpu_ptr() macro directly makes it a very very long
> name as it expanded like below:
>
> ({ do { const void *__vpp_verify = (typeof((&cgroup_rstat_cpu_lock) ...
>
> Let's fix it by passing a local variable instead. With this change,
> the name now looks like:
>
> cgrp_rstat_cpu_lock
>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Zefan Li <lizefan.x@xxxxxxxxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: cgroups@xxxxxxxxxxxxxxx
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
but maybe add a comment explaining what's going on?
Thanks.
--
tejun
