From: Jens Axboe <axboe@kernel.dk>
Date: Tue, 27 Nov 2012 07:27:50 +0000 (+0100)
Subject: Fix compile for older Linux without mmap MAP_HUGETLB
X-Git-Tag: fio-2.0.12~47
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=39b9356872f27c1a48a2ab09a5252dffd1de22d2

Fix compile for older Linux without mmap MAP_HUGETLB

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/os/os-linux.h b/os/os-linux.h
index 9b7ff29e..e9d7cf3e 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -7,6 +7,7 @@
 #include <sys/uio.h>
 #include <sys/syscall.h>
 #include <sys/vfs.h>
+#include <sys/mman.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
@@ -47,6 +48,10 @@
 #define FIO_USE_GENERIC_INIT_RANDOM_STATE
 #define FIO_HAVE_E4_ENG
 
+#ifdef MAP_HUGETLB
+#define FIO_HAVE_MMAP_HUGE
+#endif
+
 /*
  * Can only enable this for newer glibcs, or the header and defines are
  * missing
diff --git a/os/os.h b/os/os.h
index e150284e..dd704647 100644
--- a/os/os.h
+++ b/os/os.h
@@ -115,6 +115,10 @@ typedef unsigned long os_cpu_mask_t;
 #endif
 #endif
 
+#ifndef FIO_HAVE_MMAP_HUGE
+#define MAP_HUGETLB			0
+#endif
+
 #ifndef FIO_O_NOATIME
 #define FIO_O_NOATIME			0
 #endif