diff --git a/sys/compat/linuxkpi/common/include/linux/sizes.h b/sys/compat/linuxkpi/common/include/linux/sizes.h
--- a/sys/compat/linuxkpi/common/include/linux/sizes.h
+++ b/sys/compat/linuxkpi/common/include/linux/sizes.h
@@ -32,6 +32,7 @@
 #define	_LINUXKPI_LINUX_SIZES_H_
 
 #define SZ_1K	(1024 * 1)
+#define SZ_2K	(1024 * 2)
 #define SZ_4K	(1024 * 4)
 #define SZ_8K	(1024 * 8)
 #define SZ_16K	(1024 * 16)
@@ -43,9 +44,22 @@
 
 #define SZ_1M	(1024 * 1024 * 1)
 #define SZ_2M	(1024 * 1024 * 2)
+#define SZ_4M	(1024 * 1024 * 4)
 #define SZ_8M	(1024 * 1024 * 8)
 #define SZ_16M	(1024 * 1024 * 16)
 #define SZ_32M	(1024 * 1024 * 32)
 #define SZ_64M	(1024 * 1024 * 64)
+#define SZ_128M	(1024 * 1024 * 128)
+#define SZ_256M	(1024 * 1024 * 256)
+#define SZ_512M	(1024 * 1024 * 512)
+
+#define SZ_1G	(1024 * 1024 * 1024 * 1)
+#define SZ_2G	(1024 * 1024 * 1024 * 2)
+#define SZ_4G	(1024 * 1024 * 1024 * 4)
+#define SZ_8G	(1024 * 1024 * 1024 * 8)
+#define SZ_16G	(1024 * 1024 * 1024 * 16)
+#define SZ_32G	(1024 * 1024 * 1024 * 32)
+
+#define SZ_64T	(1024 * 1024 * 1024 * 1024 * 64)
 
 #endif
diff --git a/sys/dev/irdma/osdep.h b/sys/dev/irdma/osdep.h
--- a/sys/dev/irdma/osdep.h
+++ b/sys/dev/irdma/osdep.h
@@ -87,8 +87,6 @@
 
 /* a couple of linux size defines */
 #define SZ_128     128
-#define SZ_2K     SZ_128 * 16
-#define SZ_1G   (SZ_1K * SZ_1K * SZ_1K)
 #define SPEED_1000     1000
 #define SPEED_10000   10000
 #define SPEED_20000   20000