cgroup: make cftype->private a unsigned long
It's pretty unusual to have an int as a private data field and it
makes it impossible to carray a pointer value through it. Let's make
it an unsigned long. AFAICS, this shouldn't break anything.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 93755a6..8f5770a 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -318,7 +318,7 @@
* end of cftype array.
*/
char name[MAX_CFTYPE_NAME];
- int private;
+ unsigned long private;
/*
* If not 0, file mode is set to this value, otherwise it will
* be figured out automatically