linux/arch/powerpc/include/uapi/asm/mman.h
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   1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2/*
   3 * This program is free software; you can redistribute it and/or
   4 * modify it under the terms of the GNU General Public License
   5 * as published by the Free Software Foundation; either version
   6 * 2 of the License, or (at your option) any later version.
   7 */
   8#ifndef _UAPI_ASM_POWERPC_MMAN_H
   9#define _UAPI_ASM_POWERPC_MMAN_H
  10
  11#include <asm-generic/mman-common.h>
  12
  13
  14#define PROT_SAO        0x10            /* Strong Access Ordering */
  15
  16#define MAP_RENAME      MAP_ANONYMOUS   /* In SunOS terminology */
  17#define MAP_NORESERVE   0x40            /* don't reserve swap pages */
  18#define MAP_LOCKED      0x80
  19
  20#define MAP_GROWSDOWN   0x0100          /* stack-like segment */
  21#define MAP_DENYWRITE   0x0800          /* ETXTBSY */
  22#define MAP_EXECUTABLE  0x1000          /* mark it as an executable */
  23
  24#define MCL_CURRENT     0x2000          /* lock all currently mapped pages */
  25#define MCL_FUTURE      0x4000          /* lock all additions to address space */
  26#define MCL_ONFAULT     0x8000          /* lock all pages that are faulted in */
  27
  28#define MAP_POPULATE    0x8000          /* populate (prefault) pagetables */
  29#define MAP_NONBLOCK    0x10000         /* do not block on IO */
  30#define MAP_STACK       0x20000         /* give out an address that is best suited for process/thread stacks */
  31#define MAP_HUGETLB     0x40000         /* create a huge page mapping */
  32
  33/* Override any generic PKEY permission defines */
  34#define PKEY_DISABLE_EXECUTE   0x4
  35#undef PKEY_ACCESS_MASK
  36#define PKEY_ACCESS_MASK       (PKEY_DISABLE_ACCESS |\
  37                                PKEY_DISABLE_WRITE  |\
  38                                PKEY_DISABLE_EXECUTE)
  39#endif /* _UAPI_ASM_POWERPC_MMAN_H */
  40