diff --git a/libc/include/sys/personality.h b/libc/include/sys/personality.h
index 2199fa7..7772550 100644
--- a/libc/include/sys/personality.h
+++ b/libc/include/sys/personality.h
@@ -29,56 +29,10 @@
 #ifndef _SYS_PERSONALITY_H_
 #define _SYS_PERSONALITY_H_
 
+#include <linux/personality.h>
+
 __BEGIN_DECLS
 
-/* constants taken from linux-3.0.4/include/linux/personality.h */
-
-enum {
-        UNAME26 =               0x0020000,
-        ADDR_NO_RANDOMIZE =     0x0040000,
-        FDPIC_FUNCPTRS =        0x0080000,
-        MMAP_PAGE_ZERO =        0x0100000,
-        ADDR_COMPAT_LAYOUT =    0x0200000,
-        READ_IMPLIES_EXEC =     0x0400000,
-        ADDR_LIMIT_32BIT =      0x0800000,
-        SHORT_INODE =           0x1000000,
-        WHOLE_SECONDS =         0x2000000,
-        STICKY_TIMEOUTS =       0x4000000,
-        ADDR_LIMIT_3GB =        0x8000000,
-};
-
-#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC  | \
-                            ADDR_NO_RANDOMIZE  | \
-                            ADDR_COMPAT_LAYOUT | \
-                            MMAP_PAGE_ZERO)
-
-enum {
-        PER_LINUX =             0x0000,
-        PER_LINUX_32BIT =       0x0000 | ADDR_LIMIT_32BIT,
-        PER_LINUX_FDPIC =       0x0000 | FDPIC_FUNCPTRS,
-        PER_SVR4 =              0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
-        PER_SVR3 =              0x0002 | STICKY_TIMEOUTS | SHORT_INODE,
-        PER_SCOSVR3 =           0x0003 | STICKY_TIMEOUTS |
-                                         WHOLE_SECONDS | SHORT_INODE,
-        PER_OSR5 =              0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,
-        PER_WYSEV386 =          0x0004 | STICKY_TIMEOUTS | SHORT_INODE,
-        PER_ISCR4 =             0x0005 | STICKY_TIMEOUTS,
-        PER_BSD =               0x0006,
-        PER_SUNOS =             0x0006 | STICKY_TIMEOUTS,
-        PER_XENIX =             0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
-        PER_LINUX32 =           0x0008,
-        PER_LINUX32_3GB =       0x0008 | ADDR_LIMIT_3GB,
-        PER_IRIX32 =            0x0009 | STICKY_TIMEOUTS,
-        PER_IRIXN32 =           0x000a | STICKY_TIMEOUTS,
-        PER_IRIX64 =            0x000b | STICKY_TIMEOUTS,
-        PER_RISCOS =            0x000c,
-        PER_SOLARIS =           0x000d | STICKY_TIMEOUTS,
-        PER_UW7 =               0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
-        PER_OSF4 =              0x000f,
-        PER_HPUX =              0x0010,
-        PER_MASK =              0x00ff,
-};
-
 extern int personality (unsigned long persona);
 
 __END_DECLS