| /* |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| #ifndef _UAPI_ASM_POWERPC_MMAN_H |
| #define _UAPI_ASM_POWERPC_MMAN_H |
| |
| #include <asm-generic/mman-common.h> |
| |
| |
| #define PROT_SAO 0x10 /* Strong Access Ordering */ |
| |
| #define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ |
| #define MAP_NORESERVE 0x40 /* don't reserve swap pages */ |
| #define MAP_LOCKED 0x80 |
| |
| #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ |
| #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ |
| #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ |
| |
| #define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ |
| #define MCL_FUTURE 0x4000 /* lock all additions to address space */ |
| #define MCL_ONFAULT 0x8000 /* lock all pages that are faulted in */ |
| |
| #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ |
| #define MAP_NONBLOCK 0x10000 /* do not block on IO */ |
| #define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ |
| #define MAP_HUGETLB 0x40000 /* create a huge page mapping */ |
| |
| /* |
| * When MAP_HUGETLB is set, bits [26:31] of the flags argument to mmap(2), |
| * encode the log2 of the huge page size. A value of zero indicates that the |
| * default huge page size should be used. To use a non-default huge page size, |
| * one of these defines can be used, or the size can be encoded by hand. Note |
| * that on most systems only a subset, or possibly none, of these sizes will be |
| * available. |
| */ |
| #define MAP_HUGE_512KB (19 << MAP_HUGE_SHIFT) /* 512KB HugeTLB Page */ |
| #define MAP_HUGE_1MB (20 << MAP_HUGE_SHIFT) /* 1MB HugeTLB Page */ |
| #define MAP_HUGE_2MB (21 << MAP_HUGE_SHIFT) /* 2MB HugeTLB Page */ |
| #define MAP_HUGE_8MB (23 << MAP_HUGE_SHIFT) /* 8MB HugeTLB Page */ |
| #define MAP_HUGE_16MB (24 << MAP_HUGE_SHIFT) /* 16MB HugeTLB Page */ |
| #define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT) /* 1GB HugeTLB Page */ |
| #define MAP_HUGE_16GB (34 << MAP_HUGE_SHIFT) /* 16GB HugeTLB Page */ |
| |
| #endif /* _UAPI_ASM_POWERPC_MMAN_H */ |
