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-rw-r--r--kernel/sched/fair.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index da7eebb22b0..ce60006132b 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -936,6 +936,13 @@ void task_numa_work(struct callback_head *work)
if (vma->vm_end - vma->vm_start < HPAGE_SIZE)
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);