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cgroup: Use lld instead of ld when printing pids controller events_limit

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The `events_limit` variable needs to be formatted with %lld and not %ld.
This fixes the following warning discovered by kbuild test robot:

   kernel/cgroup_pids.c: In function 'pids_events_show':
   kernel/cgroup_pids.c:313:24: warning: format '%ld' expects argument of type
   'long int', but argument 3 has type 'long long int' [-Wformat=]
        seq_printf(sf, "max %ld\n", atomic64_read(&pids->events_limit));
                                   ^

tj: Added explicit (s64) cast as atomic64 switches between long long
    and long depending on 32 or 64.

Signed-off-by: Kenny Yu <kennyyu@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Kenny Yu 2016-06-21 11:55:35 -07:00 committed by Tejun Heo
parent 135b8b37bd
commit 9f6870dd97
1 changed files with 1 additions and 1 deletions
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2
kernel/cgroup_pids.c
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@ -310,7 +310,7 @@ static int pids_events_show(struct seq_file *sf, void *v)
{
struct pids_cgroup *pids = css_pids(seq_css(sf));
seq_printf(sf, "max %ld\n", atomic64_read(&pids->events_limit));
seq_printf(sf, "max %lld\n", (s64)atomic64_read(&pids->events_limit));
return 0;
}