Hello,
Added (s64) cast because atomic64 switches between l and ll. No idea
why it doesn't just use s64.
Thanks.
------ 8< ------
>From 9f6870dd9790dd87da1d0cf9e43e60113f3a278d Mon Sep 17 00:00:00 2001
From: Kenny Yu <kennyyu@xxxxxx>
Date: Tue, 21 Jun 2016 11:55:35 -0700
Subject: [PATCH] cgroup: Use lld instead of ld when printing pids controller
events_limit
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@xxxxxx>
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
---
kernel/cgroup_pids.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/cgroup_pids.c b/kernel/cgroup_pids.c
index 9740ea6..2bd6737 100644
--- a/kernel/cgroup_pids.c
+++ b/kernel/cgroup_pids.c
@@ -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;
}
--
2.7.4
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