sys_pkey_free 69 tools/testing/selftests/powerpc/ptrace/core-pkey.c static int sys_pkey_free(int pkey) sys_pkey_free 69 tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c static int sys_pkey_free(int pkey) sys_pkey_free 594 tools/testing/selftests/x86/protection_keys.c int sys_pkey_free(unsigned long pkey)