arch/um/include/asm/setup.h

#ifndef SETUP_H_INCLUDED
#define SETUP_H_INCLUDED

/* POSIX mandated with _POSIX_ARG_MAX that we can rely on 4096 chars in the
 * command line, so this choice is ok.
 */

#define COMMAND_LINE_SIZE 4096

#endif		/* SETUP_H_INCLUDED */