diff options
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_arena_common.h')
-rw-r--r-- | tools/testing/selftests/bpf/bpf_arena_common.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_arena_common.h b/tools/testing/selftests/bpf/bpf_arena_common.h index 567491f3e1b5..16f8ce832004 100644 --- a/tools/testing/selftests/bpf/bpf_arena_common.h +++ b/tools/testing/selftests/bpf/bpf_arena_common.h @@ -34,18 +34,23 @@ #if defined(__BPF_FEATURE_ADDR_SPACE_CAST) && !defined(BPF_ARENA_FORCE_ASM) #define __arena __attribute__((address_space(1))) +#define __arena_global __attribute__((address_space(1))) #define cast_kern(ptr) /* nop for bpf prog. emitted by LLVM */ #define cast_user(ptr) /* nop for bpf prog. emitted by LLVM */ #else #define __arena +#define __arena_global SEC(".addr_space.1") #define cast_kern(ptr) bpf_addr_space_cast(ptr, 0, 1) #define cast_user(ptr) bpf_addr_space_cast(ptr, 1, 0) #endif void __arena* bpf_arena_alloc_pages(void *map, void __arena *addr, __u32 page_cnt, int node_id, __u64 flags) __ksym __weak; +int bpf_arena_reserve_pages(void *map, void __arena *addr, __u32 page_cnt) __ksym __weak; void bpf_arena_free_pages(void *map, void __arena *ptr, __u32 page_cnt) __ksym __weak; +#define arena_base(map) ((void __arena *)((struct bpf_arena *)(map))->user_vm_start) + #else /* when compiled as user space code */ #define __arena |