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-rw-r--r--newlib/libc/sys/rtems/include/sys/mman.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/newlib/libc/sys/rtems/include/sys/mman.h b/newlib/libc/sys/rtems/include/sys/mman.h
index 536bfd562..6c757c8ba 100644
--- a/newlib/libc/sys/rtems/include/sys/mman.h
+++ b/newlib/libc/sys/rtems/include/sys/mman.h
@@ -91,6 +91,9 @@
*/
#define MAP_NOCORE 0x00020000 /* dont include these pages in a coredump */
#define MAP_PREFAULT_READ 0x00040000 /* prefault mapping for reading */
+#ifdef __LP64__
+#define MAP_32BIT 0x00080000 /* map in the low 2GB of address space */
+#endif
/*
* Request specific alignment (n == log2 of the desired alignment).