The memory_pressure control file was incorrectly set up without a private value (0, by default). As a result, this control file was treated like memory_migrate on read. By adding back the FILE_MEMORY_PRESSURE private value, the correct memory pressure value will be returned.
Signed-off-by: Waiman Long <[email protected]> --- kernel/cgroup/cpuset.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index f3539a4..84ba237 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -1898,6 +1898,7 @@ static s64 cpuset_read_s64(struct cgroup_subsys_state *css, struct cftype *cft) { .name = "memory_pressure", .read_u64 = cpuset_read_u64, + .private = FILE_MEMORY_PRESSURE, }, { -- 1.8.3.1
