sys_mprotect_pkey 654 tools/testing/selftests/x86/protection_keys.c ret = sys_mprotect_pkey(ptr, size, orig_prot, pkey); sys_mprotect_pkey 668 tools/testing/selftests/x86/protection_keys.c ret = sys_mprotect_pkey(ptr, size, orig_prot, pkey); sys_mprotect_pkey 1120 tools/testing/selftests/x86/protection_keys.c err = sys_mprotect_pkey(ptr, PAGE_SIZE, PROT_READ, i); sys_mprotect_pkey 1132 tools/testing/selftests/x86/protection_keys.c err = sys_mprotect_pkey(ptr, PAGE_SIZE, PROT_READ, bad_pkey);