From: Rolf Eike Beer <eike-kernel@sf-tec.de>
Date: Mon, 16 Jul 2007 06:38:03 +0000 (-0700)
Subject: MM: use DIV_ROUND_UP() in mm/memory.c
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=68e116a3b57d09b220fe38712bebd956b6dbbbc6;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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

Replace a hand coded version of DIV_ROUND_UP().

Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/memory.c b/mm/memory.c
index f64cbf9baa36..ee2925998e2e 100644
--- 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)