Author: royger
Date: Thu Apr  5 14:31:54 2018
New Revision: 332072
URL: https://svnweb.freebsd.org/changeset/base/332072

Log:
  introduce GiB and MiB macros
  
  This macros convert from GiB or MiB into bytes.
  
  Sponsored by: Citrix Systems R&D

Modified:
  head/sys/sys/param.h

Modified: head/sys/sys/param.h
==============================================================================
--- head/sys/sys/param.h        Thu Apr  5 14:25:39 2018        (r332071)
+++ head/sys/sys/param.h        Thu Apr  5 14:31:54 2018        (r332072)
@@ -362,4 +362,8 @@ __END_DECLS
  */
 #define __PAST_END(array, offset) (((__typeof__(*(array)) *)(array))[offset])
 
+/* Unit conversion macros. */
+#define GiB(v) (v ## ULL << 30)
+#define MiB(v) (v ## ULL << 20)
+
 #endif /* _SYS_PARAM_H_ */
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