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-rw-r--r--kernel/cgroup/cgroup.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 1140357d46f4..217cec4e22c6 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -3540,15 +3540,24 @@ static int cpu_stat_show(struct seq_file *seq, void *v)
#ifdef CONFIG_PSI
static int cgroup_io_pressure_show(struct seq_file *seq, void *v)
{
- return psi_show(seq, &seq_css(seq)->cgroup->psi, PSI_IO);
+ struct cgroup *cgroup = seq_css(seq)->cgroup;
+ struct psi_group *psi = cgroup->id == 1 ? &psi_system : &cgroup->psi;
+
+ return psi_show(seq, psi, PSI_IO);
}
static int cgroup_memory_pressure_show(struct seq_file *seq, void *v)
{
- return psi_show(seq, &seq_css(seq)->cgroup->psi, PSI_MEM);
+ struct cgroup *cgroup = seq_css(seq)->cgroup;
+ struct psi_group *psi = cgroup->id == 1 ? &psi_system : &cgroup->psi;
+
+ return psi_show(seq, psi, PSI_MEM);
}
static int cgroup_cpu_pressure_show(struct seq_file *seq, void *v)
{
- return psi_show(seq, &seq_css(seq)->cgroup->psi, PSI_CPU);
+ struct cgroup *cgroup = seq_css(seq)->cgroup;
+ struct psi_group *psi = cgroup->id == 1 ? &psi_system : &cgroup->psi;
+
+ return psi_show(seq, psi, PSI_CPU);
}
static ssize_t cgroup_pressure_write(struct kernfs_open_file *of, char *buf,
@@ -4801,7 +4810,6 @@ static struct cftype cgroup_base_files[] = {
#ifdef CONFIG_PSI
{
.name = "io.pressure",
- .flags = CFTYPE_NOT_ON_ROOT,
.seq_show = cgroup_io_pressure_show,
.write = cgroup_io_pressure_write,
.poll = cgroup_pressure_poll,
@@ -4809,7 +4817,6 @@ static struct cftype cgroup_base_files[] = {
},
{
.name = "memory.pressure",
- .flags = CFTYPE_NOT_ON_ROOT,
.seq_show = cgroup_memory_pressure_show,
.write = cgroup_memory_pressure_write,
.poll = cgroup_pressure_poll,
@@ -4817,7 +4824,6 @@ static struct cftype cgroup_base_files[] = {
},
{
.name = "cpu.pressure",
- .flags = CFTYPE_NOT_ON_ROOT,
.seq_show = cgroup_cpu_pressure_show,
.write = cgroup_cpu_pressure_write,
.poll = cgroup_pressure_poll,