From: Jesse Gross <jesse@nicira.com>
Date: Thu, 14 Apr 2011 20:10:09 +0000 (-0700)
Subject: datapath: Backport DIV_ROUND_UP.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=530af29c41eb04d355e400871fa58f39002315de;p=openvswitch

datapath: Backport DIV_ROUND_UP.

Older kernels didn't define DIV_ROUND_UP, so this provides a
backported version.

Signed-off-by: Jesse Gross <jesse@nicira.com>
---

diff --git a/datapath/linux-2.6/compat-2.6/include/linux/kernel.h b/datapath/linux-2.6/compat-2.6/include/linux/kernel.h
index 2c2220b9..4af88516 100644
--- a/datapath/linux-2.6/compat-2.6/include/linux/kernel.h
+++ b/datapath/linux-2.6/compat-2.6/include/linux/kernel.h
@@ -54,4 +54,8 @@
 #define SHRT_MIN	((s16)(-SHRT_MAX - 1))
 #endif
 
+#ifndef DIV_ROUND_UP
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+#endif
+
 #endif /* linux/kernel.h */