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Diffstat (limited to 'mm/filemap.c')
-rw-r--r--mm/filemap.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 54d5318f8d3f..1efd2994dccf 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2144,11 +2144,6 @@ void filemap_map_pages(struct fault_env *fe,
start_pgoff) {
if (iter.index > end_pgoff)
break;
- fe->pte += iter.index - last_pgoff;
- fe->address += (iter.index - last_pgoff) << PAGE_SHIFT;
- last_pgoff = iter.index;
- if (!pte_none(*fe->pte))
- goto next;
repeat:
page = radix_tree_deref_slot(slot);
if (unlikely(!page))
@@ -2186,7 +2181,13 @@ repeat:
if (file->f_ra.mmap_miss > 0)
file->f_ra.mmap_miss--;
- do_set_pte(fe, page);
+
+ fe->address += (iter.index - last_pgoff) << PAGE_SHIFT;
+ if (fe->pte)
+ fe->pte += iter.index - last_pgoff;
+ last_pgoff = iter.index;
+ if (alloc_set_pte(fe, NULL, page))
+ goto unlock;
unlock_page(page);
goto next;
unlock:
@@ -2194,6 +2195,9 @@ unlock:
skip:
put_page(page);
next:
+ /* Huge page is mapped? No need to proceed. */
+ if (pmd_trans_huge(*fe->pmd))
+ break;
if (iter.index == end_pgoff)
break;
}