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-rw-r--r--mm/mincore.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/mincore.c b/mm/mincore.c
index 9ac42dc6d7b..a4e6b9d75c7 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -154,6 +154,13 @@ static void mincore_pmd_range(struct vm_area_struct *vma, pud_t *pud,
pmd = pmd_offset(pud, addr);
do {
next = pmd_addr_end(addr, end);
+ if (pmd_trans_huge(*pmd)) {
+ if (mincore_huge_pmd(vma, pmd, addr, next, vec)) {
+ vec += (next - addr) >> PAGE_SHIFT;
+ continue;
+ }
+ /* fall through */
+ }
if (pmd_none_or_clear_bad(pmd))
mincore_unmapped_range(vma, addr, next, vec);
else