1 files changed, 7 insertions, 5 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index 5c0c6518f341..734891d0663d 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1488,13 +1488,15 @@ static void do_sync_mmap_readahead(struct vm_area_struct *vma,
         if (ra->mmap_miss > MMAP_LOTSAMISS)
                 return;
 
+        /*
+         * mmap read-around
+         */
         ra_pages = max_sane_readahead(ra->ra_pages);
         if (ra_pages) {
-                pgoff_t start = 0;
-
-                if (offset > ra_pages / 2)
-                        start = offset - ra_pages / 2;
-                do_page_cache_readahead(mapping, file, start, ra_pages);
+                ra->start = max_t(long, 0, offset - ra_pages/2);
+                ra->size = ra_pages;
+                ra->async_size = 0;
+                ra_submit(ra, mapping, file);
         }
 }