1*8cf108c5SZhang Yi /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*8cf108c5SZhang Yi /* 3*8cf108c5SZhang Yi * This program is free software; you can redistribute it and/or 4*8cf108c5SZhang Yi * modify it under the terms of the GNU General Public License 5*8cf108c5SZhang Yi * as published by the Free Software Foundation; either version 6*8cf108c5SZhang Yi * 2 of the License, or (at your option) any later version. 7*8cf108c5SZhang Yi */ 8*8cf108c5SZhang Yi #ifndef _ASM_POWERPC_MMAN_H 9*8cf108c5SZhang Yi #define _ASM_POWERPC_MMAN_H 10*8cf108c5SZhang Yi 11*8cf108c5SZhang Yi #include <asm-generic/mman-common.h> 12*8cf108c5SZhang Yi 13*8cf108c5SZhang Yi 14*8cf108c5SZhang Yi #define PROT_SAO 0x10 /* Strong Access Ordering */ 15*8cf108c5SZhang Yi 16*8cf108c5SZhang Yi #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ 17*8cf108c5SZhang Yi #define MAP_NORESERVE 0x40 /* don't reserve swap pages */ 18*8cf108c5SZhang Yi #define MAP_LOCKED 0x80 19*8cf108c5SZhang Yi 20*8cf108c5SZhang Yi #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 21*8cf108c5SZhang Yi #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 22*8cf108c5SZhang Yi #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 23*8cf108c5SZhang Yi 24*8cf108c5SZhang Yi #define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ 25*8cf108c5SZhang Yi #define MCL_FUTURE 0x4000 /* lock all additions to address space */ 26*8cf108c5SZhang Yi #define MCL_ONFAULT 0x8000 /* lock all pages that are faulted in */ 27*8cf108c5SZhang Yi 28*8cf108c5SZhang Yi #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ 29*8cf108c5SZhang Yi #define MAP_NONBLOCK 0x10000 /* do not block on IO */ 30*8cf108c5SZhang Yi #define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ 31*8cf108c5SZhang Yi #define MAP_HUGETLB 0x40000 /* create a huge page mapping */ 32*8cf108c5SZhang Yi 33*8cf108c5SZhang Yi /* Override any generic PKEY permission defines */ 34*8cf108c5SZhang Yi #define PKEY_DISABLE_EXECUTE 0x4 35*8cf108c5SZhang Yi #undef PKEY_ACCESS_MASK 36*8cf108c5SZhang Yi #define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\ 37*8cf108c5SZhang Yi PKEY_DISABLE_WRITE |\ 38*8cf108c5SZhang Yi PKEY_DISABLE_EXECUTE) 39*8cf108c5SZhang Yi #endif /* _ASM_POWERPC_MMAN_H */ 40