diff options
Diffstat (limited to 'mm/mincore.c')
| -rw-r--r-- | mm/mincore.c | 11 |
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)) |