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-rw-r--r--mm/mincore.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/mm/mincore.c b/mm/mincore.c
index 2d5be013a25a..b7f7a516b26c 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -113,14 +113,13 @@ static int mincore_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
goto out;
}
- if (pmd_trans_unstable(pmd)) {
- __mincore_unmapped_range(addr, end, vma, vec);
- goto out;
- }
-
ptep = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
+ if (!ptep) {
+ walk->action = ACTION_AGAIN;
+ return 0;
+ }
for (; addr != end; ptep++, addr += PAGE_SIZE) {
- pte_t pte = *ptep;
+ pte_t pte = ptep_get(ptep);
/* We need to do cache lookup too for pte markers */
if (pte_none_mostly(pte))