From: Andrew Morton <akpm@osdl.org>

On sparc64:

mm/hugetlb.c: In function `unmap_hugepage_range':
mm/hugetlb.c:333: warning: overflow in implicit constant conversion

Passing a -ve long into something which wants an int.

Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Index: linux-2.6/mm/hugetlb.c
===================================================================
--- linux-2.6.orig/mm/hugetlb.c
+++ linux-2.6/mm/hugetlb.c
@@ -324,7 +324,7 @@ void unmap_hugepage_range(struct vm_area
 
 		page = pte_page(pte);
 		put_page(page);
-		add_mm_counter(mm, file_rss,  - (HPAGE_SIZE / PAGE_SIZE));
+		add_mm_counter(mm, file_rss, (int) -(HPAGE_SIZE / PAGE_SIZE));
 	}
 	flush_tlb_range(vma, start, end);
 }