diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/msync.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/msync.c b/mm/msync.c index 090f426bca7d..d0f5a1bce7cb 100644 --- a/mm/msync.c +++ b/mm/msync.c @@ -34,6 +34,8 @@ static void sync_pte_range(struct vm_area_struct *vma, pmd_t *pmd, if (!pte_present(*pte)) continue; + if (!pte_maybe_dirty(*pte)) + continue; pfn = pte_pfn(*pte); if (!pfn_valid(pfn)) continue; |