arch/s390/include/asm/mman.h

   1 /*
   2  *  include/asm-s390/mman.h
   3  *
   4  *  S390 version
   5  *
   6  *  Derived from "include/asm-i386/mman.h"
   7  */
   8
   9 #ifndef __S390_MMAN_H__
  10 #define __S390_MMAN_H__
  11
  12 #include <asm-generic/mman-common.h>
  13
  14 #define MAP_GROWSDOWN   0x0100          /* stack-like segment */
  15 #define MAP_DENYWRITE   0x0800          /* ETXTBSY */
  16 #define MAP_EXECUTABLE  0x1000          /* mark it as an executable */
  17 #define MAP_LOCKED      0x2000          /* pages are locked */
  18 #define MAP_NORESERVE   0x4000          /* don't check for reservations */
  19 #define MAP_POPULATE    0x8000          /* populate (prefault) pagetables */
  20 #define MAP_NONBLOCK    0x10000         /* do not block on IO */
  21
  22 #define MCL_CURRENT     1               /* lock all current mappings */
  23 #define MCL_FUTURE      2               /* lock all future mappings */
  24
  25 #if defined(__KERNEL__) && !defined(__ASSEMBLY__) && defined(CONFIG_64BIT)
  26 int s390_mmap_check(unsigned long addr, unsigned long len);
  27 #define arch_mmap_check(addr,len,flags) s390_mmap_check(addr,len)
  28 #endif
  29
  30 #endif /* __S390_MMAN_H__ */