Skip hugetlb vmas as we are not interested in those.
Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>
---
mm/mlock.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/mm/mlock.c b/mm/mlock.c
index 52d6e401ad67..b37079b3505f 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -409,6 +409,17 @@ static int mlock_pte_range(pmd_t *pmd, unsigned long addr,
return 0;
}
+static int mlock_test_walk(unsigned long start, unsigned long end,
+ struct mm_walk *walk)
+{
+ struct vm_area_struct *vma = walk->vma;
+
+ if (is_vm_hugetlb_page(vma))
+ return 1;
+
+ return 0;
+}
+
/*
* mlock_vma_pages_range() - mlock any pages already in the range,
* or munlock all pages in the range.
@@ -425,6 +436,7 @@ static void mlock_vma_pages_range(struct vm_area_struct *vma,
{
static const struct mm_walk_ops mlock_walk_ops = {
.pmd_entry = mlock_pte_range,
+ .test_walk = mlock_test_walk,
.walk_lock = PGWALK_WRLOCK_VERIFY,
};
--
2.26.2
