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-rw-r--r--kernel/cgroup_pids.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/cgroup_pids.c b/kernel/cgroup_pids.c
index 8e27fc5dbb20..b50d5a167fda 100644
--- a/kernel/cgroup_pids.c
+++ b/kernel/cgroup_pids.c
@@ -106,7 +106,7 @@ static void pids_uncharge(struct pids_cgroup *pids, int num)
{
struct pids_cgroup *p;
- for (p = pids; p; p = parent_pids(p))
+ for (p = pids; parent_pids(p); p = parent_pids(p))
pids_cancel(p, num);
}
@@ -123,7 +123,7 @@ static void pids_charge(struct pids_cgroup *pids, int num)
{
struct pids_cgroup *p;
- for (p = pids; p; p = parent_pids(p))
+ for (p = pids; parent_pids(p); p = parent_pids(p))
atomic64_add(num, &p->counter);
}
@@ -140,7 +140,7 @@ static int pids_try_charge(struct pids_cgroup *pids, int num)
{
struct pids_cgroup *p, *q;
- for (p = pids; p; p = parent_pids(p)) {
+ for (p = pids; parent_pids(p); p = parent_pids(p)) {
int64_t new = atomic64_add_return(num, &p->counter);
/*
@@ -298,6 +298,7 @@ static struct cftype pids_files[] = {
{
.name = "current",
.read_s64 = pids_current_read,
+ .flags = CFTYPE_NOT_ON_ROOT,
},
{ } /* terminate */
};