X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os.h;h=3f83905d5b31f4adbf5a7f1c74db8b2a444049ef;hb=cb25df61fbe19065b41bee131d19335d615c676b;hp=b44d34c6b5ef07dea4c5c7fe2c05be09c5abbe9e;hpb=2866c82d598e30604d8a92723c664ee6ced90fb0;p=fio.git

diff --git a/os.h b/os.h
index b44d34c6..3f83905d 100644
--- a/os.h
+++ b/os.h
@@ -47,4 +47,19 @@
 #define OS_O_DIRECT			O_DIRECT
 #endif
 
+#ifndef FIO_HAVE_HUGETLB
+#define SHM_HUGETLB			0
+#define FIO_HUGE_PAGE			0
+#else
+#ifndef FIO_HUGE_PAGE
+#define FIO_HUGE_PAGE			4194304
+#endif
+#endif
+
+#if __GNUC__ < 3
+#define __must_check
+#else
+#define __must_check			__attribute__((warn_unused_result))
+#endif
+
 #endif