page allocator: do not setup zonelist cache when there is only one node

[profile/ivi/kernel-adaptation-intel-automotive.git] / mm / madvise.c

diff --git a/mm/madvise.c b/mm/madvise.c
index 36d6ea2..e994dcb 100644 (file)
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -112,14 +112,6 @@ static long madvise_willneed(struct vm_area_struct * vma,
        if (!file)
                return -EBADF;
 
-       /*
-        * Page cache readahead assumes page cache pages are order-0 which
-        * is not the case for hugetlbfs. Do not give a bad return value
-        * but ignore the advice.
-        */
-       if (vma->vm_flags & VM_HUGETLB)
-               return 0;
-
        if (file->f_mapping->a_ops->get_xip_mem) {
                /* no bad return value, but ignore advice */
                return 0;
@@ -131,8 +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;
 }