readahead: move max_sane_readahead() calls into force_page_cache_readahead()

Impact: code simplification.

Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Ying Han <yinghan@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/mm/madvise.c b/mm/madvise.c
index b9ce574827c8..e994dcb479d6 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -123,8 +123,7 @@ static long madvise_willneed(struct vm_area_struct * vma,
                 end = vma->vm_end;
         end = ((end - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
 
-        force_page_cache_readahead(file->f_mapping,
-                        file, start, max_sane_readahead(end - start));
+        force_page_cache_readahead(file->f_mapping, file, start, end - start);
         return 0;
 }