From: François Tigeot <ftigeot@wolfpond.org>
Date: Sat, 28 Feb 2015 07:50:44 +0000 (+0100)
Subject: drm: linux/mm.h: Add offset_in_page()
X-Git-Tag: v4.2.0rc~716
X-Git-Url: https://gitweb.dragonflybsd.org/~tuxillo/dragonfly.git/commitdiff_plain/d0f32dcc1a90b3acc46595a8ed98e66dee4f7bfe

drm: linux/mm.h: Add offset_in_page()

Obtained-from: OpenBSD
---

diff --git a/sys/dev/drm/include/linux/mm.h b/sys/dev/drm/include/linux/mm.h
index 8e6a01ac7d..a5fd7392cc 100644
--- a/sys/dev/drm/include/linux/mm.h
+++ b/sys/dev/drm/include/linux/mm.h
@@ -74,4 +74,6 @@ io_remap_pfn_range(struct vm_area_struct *vma,
 	return (0);
 }
 
+#define offset_in_page(off)	((off) & PAGE_MASK)
+
 #endif	/* _LINUX_MM_H_ */