mman.h (940B) - Raw
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 13 /* 14 * Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h 15 * for MAP_HUGETLB usage 16 */ 17 18 #define MCL_CURRENT 1 /* lock all current mappings */ 19 #define MCL_FUTURE 2 /* lock all future mappings */ 20 #define MCL_ONFAULT 4 /* lock all pages that are faulted in */ 21 22 #define SHADOW_STACK_SET_TOKEN (1ULL << 0) /* Set up a restore token in the shadow stack */ 23 #define SHADOW_STACK_SET_MARKER (1ULL << 1) /* Set up a top of stack marker in the shadow stack */ 24 25 26 #endif /* __ASM_GENERIC_MMAN_H */