include/uapi/asm/setup.h (4 lines of code) (raw):
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_ASM_POWERPC_SETUP_H
#define _UAPI_ASM_POWERPC_SETUP_H
#define COMMAND_LINE_SIZE 2048
#endif /* _UAPI_ASM_POWERPC_SETUP_H */