add some more linux compat functions for memory allocation

1 files changed, 21 insertions, 1 deletions

diff --git a/sys/dev/pci/drm/drmP.h b/sys/dev/pci/drm/drmP.h
index 7cdeb084883..d90a9a80451 100644
--- a/sys/dev/pci/drm/drmP.h
+++ b/sys/dev/pci/drm/drmP.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: drmP.h,v 1.166 2014/02/04 22:19:53 kettenis Exp $ */
+/* $OpenBSD: drmP.h,v 1.167 2014/02/09 10:50:43 jsg Exp $ */
 /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
  * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.com
  */
@@ -247,6 +247,14 @@ kmalloc(size_t size, int flags)
 }
 
 static inline void *
+kmalloc_array(size_t n, size_t size, int flags)
+{
+	if (n == 0 || SIZE_MAX / n < size)
+		return NULL;
+	return malloc(n * size, M_DRM, flags);
+}
+
+static inline void *
 kcalloc(size_t n, size_t size, int flags)
 {
 	if (n == 0 || SIZE_MAX / n < size)
@@ -266,6 +274,18 @@ kfree(void *objp)
 	free(objp, M_DRM);
 }
 
+static inline void *
+vzalloc(unsigned long size)
+{
+	return malloc(size, M_DRM, M_WAITOK | M_CANFAIL | M_ZERO);
+}
+
+static inline void
+vfree(void *objp)
+{
+	free(objp, M_DRM);
+}
+
 #define min_t(t, a, b) ({ \
 	t __min_a = (a); \
 	t __min_b = (b); \