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cgroup: make ->pre_destroy() return void

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All ->pre_destory() implementations return 0 now, which is the only
allowed return value.  Make it return void.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Li Zefan <lizefan@huawei.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
This commit is contained in:
Tejun Heo
2012-11-05 09:16:59 -08:00
parent 9d093cb10e
commit bcf6de1b91
5 changed files with 5 additions and 9 deletions
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4
mm/hugetlb_cgroup.c
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@@ -155,7 +155,7 @@ out:
* Force the hugetlb cgroup to empty the hugetlb resources by moving them to
* the parent cgroup.
*/
static int hugetlb_cgroup_pre_destroy(struct cgroup *cgroup)
static void hugetlb_cgroup_pre_destroy(struct cgroup *cgroup)
{
struct hstate *h;
struct page *page;
@@ -172,8 +172,6 @@ static int hugetlb_cgroup_pre_destroy(struct cgroup *cgroup)
}
cond_resched();
} while (hugetlb_cgroup_have_usage(cgroup));
return 0;
}
int hugetlb_cgroup_charge_cgroup(int idx, unsigned long nr_pages,