addr_rw 48 tools/testing/selftests/ptrace/peeksiginfo.c void *addr_rw, *addr_ro; addr_rw 54 tools/testing/selftests/ptrace/peeksiginfo.c addr_rw = mmap(NULL, 2 * PAGE_SIZE, PROT_READ | PROT_WRITE, addr_rw 56 tools/testing/selftests/ptrace/peeksiginfo.c if (addr_rw == MAP_FAILED) { addr_rw 61 tools/testing/selftests/ptrace/peeksiginfo.c addr_ro = mmap(addr_rw + PAGE_SIZE, PAGE_SIZE, PROT_READ, addr_rw 73 tools/testing/selftests/ptrace/peeksiginfo.c ret = sys_ptrace(PTRACE_PEEKSIGINFO, child, &arg, addr_rw); addr_rw 101 tools/testing/selftests/ptrace/peeksiginfo.c munmap(addr_rw, 2 * PAGE_SIZE);