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authorThomas Gleixner <tglx@linutronix.de>2017-10-12 11:02:50 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-10-12 11:02:50 +0200
commit331b57d14829c49d75076779cdc54d7e4537bbf0 (patch)
tree79a70eadb04ed2fd65d3280021ec6ad5266d1cc1 /tools/include/uapi/linux/mman.h
parent79761ce80aa0232157e428bde28c0cef6d43ac5f (diff)
parente43b3b58548051f8809391eb7bec7a27ed3003ea (diff)
Merge branch 'irq/urgent' into x86/apic
Pick up core changes which affect the vector rework.
Diffstat (limited to 'tools/include/uapi/linux/mman.h')
-rw-r--r--tools/include/uapi/linux/mman.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/mman.h b/tools/include/uapi/linux/mman.h
index 81d8edf11789..a937480d7cd3 100644
--- a/tools/include/uapi/linux/mman.h
+++ b/tools/include/uapi/linux/mman.h
@@ -1,7 +1,8 @@
#ifndef _UAPI_LINUX_MMAN_H
#define _UAPI_LINUX_MMAN_H
-#include <uapi/asm/mman.h>
+#include <asm/mman.h>
+#include <asm-generic/hugetlb_encode.h>
#define MREMAP_MAYMOVE 1
#define MREMAP_FIXED 2
@@ -10,4 +11,25 @@
#define OVERCOMMIT_ALWAYS 1
#define OVERCOMMIT_NEVER 2
+/*
+ * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
+ * size other than the default is desired. See hugetlb_encode.h.
+ * All known huge page size encodings are provided here. It is the
+ * responsibility of the application to know which sizes are supported on
+ * the running system. See mmap(2) man page for details.
+ */
+#define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
+#define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK
+
+#define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB
+#define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
+#define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB
+#define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
+#define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
+#define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
+#define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
+#define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
+#define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
+#define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
+
#endif /* _UAPI_LINUX_MMAN_H */