Skip hugetlb vmas as we are not interested in those.
Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>
---
mm/madvise.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/mm/madvise.c b/mm/madvise.c
index e60311636c4c..08f72622913f 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -805,8 +805,20 @@ static int madvise_free_pte_range(pmd_t *pmd, unsigned long addr,
return 0;
}
+static int madvise_free_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;
+}
+
static const struct mm_walk_ops madvise_free_walk_ops = {
.pmd_entry = madvise_free_pte_range,
+ .test_walk = madvise_free_test_walk,
.walk_lock = PGWALK_RDLOCK,
};
--
2.26.2
