linux-headers/asm-generic/mman.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __ASM_GENERIC_MMAN_H
   3 #define __ASM_GENERIC_MMAN_H
   4
   5 #include <asm-generic/mman-common.h>
   6
   7 #define MAP_GROWSDOWN   0x0100          /* stack-like segment */
   8 #define MAP_DENYWRITE   0x0800          /* ETXTBSY */
   9 #define MAP_EXECUTABLE  0x1000          /* mark it as an executable */
  10 #define MAP_LOCKED      0x2000          /* pages are locked */
  11 #define MAP_NORESERVE   0x4000          /* don't check for reservations */
  12 #define MAP_POPULATE    0x8000          /* populate (prefault) pagetables */
  13 #define MAP_NONBLOCK    0x10000         /* do not block on IO */
  14 #define MAP_STACK       0x20000         /* give out an address that is best suited for process/thread stacks */
  15 #define MAP_HUGETLB     0x40000         /* create a huge page mapping */
  16 #define MAP_SYNC        0x80000         /* perform synchronous page faults for the mapping */
  17
  18 /* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */
  19
  20 #define MCL_CURRENT     1               /* lock all current mappings */
  21 #define MCL_FUTURE      2               /* lock all future mappings */
  22 #define MCL_ONFAULT     4               /* lock all pages that are faulted in */
  23
  24 #endif /* __ASM_GENERIC_MMAN_H */