xref: /OK3568_Linux_fs/kernel/arch/powerpc/include/uapi/asm/mman.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * This program is free software; you can redistribute it and/or
4*4882a593Smuzhiyun  * modify it under the terms of the GNU General Public License
5*4882a593Smuzhiyun  * as published by the Free Software Foundation; either version
6*4882a593Smuzhiyun  * 2 of the License, or (at your option) any later version.
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun #ifndef _UAPI_ASM_POWERPC_MMAN_H
9*4882a593Smuzhiyun #define _UAPI_ASM_POWERPC_MMAN_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <asm-generic/mman-common.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define PROT_SAO	0x10		/* Strong Access Ordering */
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #define MAP_RENAME      MAP_ANONYMOUS   /* In SunOS terminology */
17*4882a593Smuzhiyun #define MAP_NORESERVE   0x40            /* don't reserve swap pages */
18*4882a593Smuzhiyun #define MAP_LOCKED	0x80
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define MAP_GROWSDOWN	0x0100		/* stack-like segment */
21*4882a593Smuzhiyun #define MAP_DENYWRITE	0x0800		/* ETXTBSY */
22*4882a593Smuzhiyun #define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #define MCL_CURRENT     0x2000          /* lock all currently mapped pages */
26*4882a593Smuzhiyun #define MCL_FUTURE      0x4000          /* lock all additions to address space */
27*4882a593Smuzhiyun #define MCL_ONFAULT	0x8000		/* lock all pages that are faulted in */
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun /* Override any generic PKEY permission defines */
30*4882a593Smuzhiyun #define PKEY_DISABLE_EXECUTE   0x4
31*4882a593Smuzhiyun #undef PKEY_ACCESS_MASK
32*4882a593Smuzhiyun #define PKEY_ACCESS_MASK       (PKEY_DISABLE_ACCESS |\
33*4882a593Smuzhiyun 				PKEY_DISABLE_WRITE  |\
34*4882a593Smuzhiyun 				PKEY_DISABLE_EXECUTE)
35*4882a593Smuzhiyun #endif /* _UAPI_ASM_POWERPC_MMAN_H */
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