diff options
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 81e28722edfa..84a5b0213e0e 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -3209,7 +3209,7 @@ static bool filemap_map_pmd(struct vm_fault *vmf, struct page *page) } } - if (pmd_none(*vmf->pmd)) { + if (pmd_none(*vmf->pmd) && vmf->prealloc_pte) { vmf->ptl = pmd_lock(mm, vmf->pmd); if (likely(pmd_none(*vmf->pmd))) { mm_inc_nr_ptes(mm); |