Currently cpusets_enabled() wrongfully returns 0 even if we have a root cpuset configured on the system. This got missed when jump level was introduced in place of number_of_cpusets with the commit 664eeddeef65 ("mm: page_alloc: use jump labels to avoid checking number_of_cpusets") . This fixes the problem so that cpusets_enabled() returns positive even for the root cpuset.
Fixes: 664eeddeef65 ("mm: page_alloc: use jump labels to avoid") Signed-off-by: Anshuman Khandual <khand...@linux.vnet.ibm.com> --- kernel/cpuset.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/cpuset.c b/kernel/cpuset.c index b308888..be75f3f 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -2133,6 +2133,8 @@ int __init cpuset_init(void) set_bit(CS_SCHED_LOAD_BALANCE, &top_cpuset.flags); top_cpuset.relax_domain_level = -1; + cpuset_inc(); + err = register_filesystem(&cpuset_fs_type); if (err < 0) return err; -- 2.9.3