18cf108c5SZhang Yi /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 28cf108c5SZhang Yi #ifndef __ASM_GENERIC_MMAN_H 38cf108c5SZhang Yi #define __ASM_GENERIC_MMAN_H 48cf108c5SZhang Yi 58cf108c5SZhang Yi #include <asm-generic/mman-common.h> 68cf108c5SZhang Yi 78cf108c5SZhang Yi #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 88cf108c5SZhang Yi #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 98cf108c5SZhang Yi #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 108cf108c5SZhang Yi #define MAP_LOCKED 0x2000 /* pages are locked */ 118cf108c5SZhang Yi #define MAP_NORESERVE 0x4000 /* don't check for reservations */ 128cf108c5SZhang Yi 13f363d039SEric Auger /* 14f363d039SEric Auger * Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h 15f363d039SEric Auger * for MAP_HUGETLB usage 16f363d039SEric Auger */ 178cf108c5SZhang Yi 188cf108c5SZhang Yi #define MCL_CURRENT 1 /* lock all current mappings */ 198cf108c5SZhang Yi #define MCL_FUTURE 2 /* lock all future mappings */ 208cf108c5SZhang Yi #define MCL_ONFAULT 4 /* lock all pages that are faulted in */ 218cf108c5SZhang Yi 22*44fe383cSHendrik Brueckner #define SHADOW_STACK_SET_TOKEN (1ULL << 0) /* Set up a restore token in the shadow stack */ 23*44fe383cSHendrik Brueckner #define SHADOW_STACK_SET_MARKER (1ULL << 1) /* Set up a top of stack marker in the shadow stack */ 24*44fe383cSHendrik Brueckner 25*44fe383cSHendrik Brueckner 268cf108c5SZhang Yi #endif /* __ASM_GENERIC_MMAN_H */ 27