Re: [PATCH] mm: memcontrol.c: Cleaning up function that are not used anywhere

[Rickard Strandqvist]

2014-12-03 16:54 GMT+01:00 Michal Hocko <mhocko@xxxxxxx>:
> On Wed 03-12-14 10:22:31, Johannes Weiner wrote:
>> On Tue, Dec 02, 2014 at 11:41:23PM +0100, Rickard Strandqvist wrote:
>> > Remove function mem_cgroup_lru_names_not_uptodate() that is not used anywhere.
>> >
>> > This was partially found by using a static code analysis program called cppcheck.
>> >
>> > Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
>> > ---
>> >  mm/memcontrol.c |    5 -----
>> >  1 file changed, 5 deletions(-)
>> >
>> > diff --git a/mm/memcontrol.c b/mm/memcontrol.c
>> > index d6ac0e3..5edd1fe 100644
>> > --- a/mm/memcontrol.c
>> > +++ b/mm/memcontrol.c
>> > @@ -4379,11 +4379,6 @@ static int memcg_numa_stat_show(struct seq_file *m, void *v)
>> >  }
>> >  #endif /* CONFIG_NUMA */
>> >
>> > -static inline void mem_cgroup_lru_names_not_uptodate(void)
>> > -{
>> > -   BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_lru_names) != NR_LRU_LISTS);
>> > -}
>>
>> That assertion doesn't work in an unused function, but we still want
>> this check.  Please move the BUILD_BUG_ON() to the beginning of
>> memcg_stat_show() instead.
>
> Ohh. I have completely missed the point of the check! Moving the check
> to memcg_stat_show sounds like a good idea.
>
> --
> Michal Hocko
> SUSE Labs

Hi

Ok, sure I'll fix that!

It will take a few days before I will have access to my workstation,
however, but the new patch on the way...

Kind regards
Rickard Strandqvist
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