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-rw-r--r--kernel/sched/fair.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 4316af287f60..b73f4ba62b24 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1729,6 +1729,13 @@ void task_numa_work(struct callback_head *work)
(vma->vm_file && (vma->vm_flags & (VM_READ|VM_WRITE)) == (VM_READ)))
continue;
+ /*
+ * Skip inaccessible VMAs to avoid any confusion between
+ * PROT_NONE and NUMA hinting ptes
+ */
+ if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE)))
+ continue;
+
do {
start = max(start, vma->vm_start);
end = ALIGN(start + (pages << PAGE_SHIFT), HPAGE_SIZE);
@@ -3907,7 +3914,7 @@ static long effective_load(struct task_group *tg, int cpu, long wl, long wg)
{
struct sched_entity *se = tg->se[cpu];
- if (!tg->parent || !wl) /* the trivial, non-cgroup case */
+ if (!tg->parent) /* the trivial, non-cgroup case */
return wl;
for_each_sched_entity(se) {