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-rw-r--r--include/sys/mman.h13
-rw-r--r--include/sys/shm.h13
2 files changed, 26 insertions, 0 deletions
diff --git a/include/sys/mman.h b/include/sys/mman.h
index 12318782..d13d4ca3 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -35,6 +35,19 @@ extern "C" {
#define MAP_HUGETLB 0x40000
#define MAP_FILE 0
+#define MAP_HUGE_SHIFT 26
+#define MAP_HUGE_MASK 0x3f
+#define MAP_HUGE_64KB (16 << 26)
+#define MAP_HUGE_512KB (19 << 26)
+#define MAP_HUGE_1MB (20 << 26)
+#define MAP_HUGE_2MB (21 << 26)
+#define MAP_HUGE_8MB (23 << 26)
+#define MAP_HUGE_16MB (24 << 26)
+#define MAP_HUGE_256MB (28 << 26)
+#define MAP_HUGE_1GB (30 << 26)
+#define MAP_HUGE_2GB (31 << 26)
+#define MAP_HUGE_16GB (34U << 26)
+
#define PROT_NONE 0
#define PROT_READ 1
#define PROT_WRITE 2
diff --git a/include/sys/shm.h b/include/sys/shm.h
index 67be822b..e7d39ff6 100644
--- a/include/sys/shm.h
+++ b/include/sys/shm.h
@@ -40,6 +40,19 @@ extern "C" {
#define SHM_HUGETLB 04000
#define SHM_NORESERVE 010000
+#define SHM_HUGE_SHIFT 26
+#define SHM_HUGE_MASK 0x3f
+#define SHM_HUGE_64KB (16 << 26)
+#define SHM_HUGE_512KB (19 << 26)
+#define SHM_HUGE_1MB (20 << 26)
+#define SHM_HUGE_2MB (21 << 26)
+#define SHM_HUGE_8MB (23 << 26)
+#define SHM_HUGE_16MB (24 << 26)
+#define SHM_HUGE_256MB (28 << 26)
+#define SHM_HUGE_1GB (30 << 26)
+#define SHM_HUGE_2GB (31 << 26)
+#define SHM_HUGE_16GB (34U << 26)
+
typedef unsigned long shmatt_t;
void *shmat(int, const void *, int);