MM: use DIV_ROUND_UP() in mm/memory.c

Replace a hand coded version of DIV_ROUND_UP(). Signed-off-by: Rolf Eike Beer <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
rtvt123 · Jul 16, 2007 · 68e116a · 68e116a
1 parent 31a5c6e
commit 68e116a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mm/memory.c b/mm/memory.c
@@ -2673,7 +2673,7 @@ int make_pages_present(unsigned long addr, unsigned long end)
 	write = (vma->vm_flags & VM_WRITE) != 0;
 	BUG_ON(addr >= end);
 	BUG_ON(end > vma->vm_end);
-	len = (end+PAGE_SIZE-1)/PAGE_SIZE-addr/PAGE_SIZE;
+	len = DIV_ROUND_UP(end, PAGE_SIZE) - addr/PAGE_SIZE;
 	ret = get_user_pages(current, current->mm, addr,
 			len, write, 0, NULL, NULL);
 	if (ret < 0)