diff options
Diffstat (limited to 'kernel/include/uapi/asm-generic')
| -rw-r--r-- | kernel/include/uapi/asm-generic/mman-common.h | 5 | ||||
| -rw-r--r-- | kernel/include/uapi/asm-generic/mman.h | 1 | ||||
| -rw-r--r-- | kernel/include/uapi/asm-generic/signal.h | 2 | ||||
| -rw-r--r-- | kernel/include/uapi/asm-generic/unistd.h | 10 |
4 files changed, 16 insertions, 2 deletions
diff --git a/kernel/include/uapi/asm-generic/mman-common.h b/kernel/include/uapi/asm-generic/mman-common.h index ddc3b36f1..a74dd84bb 100644 --- a/kernel/include/uapi/asm-generic/mman-common.h +++ b/kernel/include/uapi/asm-generic/mman-common.h @@ -25,6 +25,11 @@ # define MAP_UNINITIALIZED 0x0 /* Don't support this flag */ #endif +/* + * Flags for mlock + */ +#define MLOCK_ONFAULT 0x01 /* Lock pages in range after they are faulted in, do not prefault */ + #define MS_ASYNC 1 /* sync memory asynchronously */ #define MS_INVALIDATE 2 /* invalidate the caches */ #define MS_SYNC 4 /* synchronous memory sync */ diff --git a/kernel/include/uapi/asm-generic/mman.h b/kernel/include/uapi/asm-generic/mman.h index e9fe6fd2a..7162cd4cc 100644 --- a/kernel/include/uapi/asm-generic/mman.h +++ b/kernel/include/uapi/asm-generic/mman.h @@ -17,5 +17,6 @@ #define MCL_CURRENT 1 /* lock all current mappings */ #define MCL_FUTURE 2 /* lock all future mappings */ +#define MCL_ONFAULT 4 /* lock all pages that are faulted in */ #endif /* __ASM_GENERIC_MMAN_H */ diff --git a/kernel/include/uapi/asm-generic/signal.h b/kernel/include/uapi/asm-generic/signal.h index 9df61f1ed..3094618d3 100644 --- a/kernel/include/uapi/asm-generic/signal.h +++ b/kernel/include/uapi/asm-generic/signal.h @@ -80,8 +80,10 @@ * SA_RESTORER 0x04000000 */ +#if !defined MINSIGSTKSZ || !defined SIGSTKSZ #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 +#endif #ifndef __ASSEMBLY__ typedef struct { diff --git a/kernel/include/uapi/asm-generic/unistd.h b/kernel/include/uapi/asm-generic/unistd.h index e016bd9b1..1324b0292 100644 --- a/kernel/include/uapi/asm-generic/unistd.h +++ b/kernel/include/uapi/asm-generic/unistd.h @@ -709,15 +709,21 @@ __SYSCALL(__NR_memfd_create, sys_memfd_create) __SYSCALL(__NR_bpf, sys_bpf) #define __NR_execveat 281 __SC_COMP(__NR_execveat, sys_execveat, compat_sys_execveat) +#define __NR_userfaultfd 282 +__SYSCALL(__NR_userfaultfd, sys_userfaultfd) +#define __NR_membarrier 283 +__SYSCALL(__NR_membarrier, sys_membarrier) +#define __NR_mlock2 284 +__SYSCALL(__NR_mlock2, sys_mlock2) #undef __NR_syscalls -#define __NR_syscalls 282 +#define __NR_syscalls 285 /* * All syscalls below here should go away really, * these are provided for both review and as a porting * help for the C library version. -* + * * Last chance: are any of these important enough to * enable by default? */ |