211 	unsigned long arg_start, arg_end, env_start, env_end;  in get_mm_cmdline()  local
216 	if (!mm->env_end)  in get_mm_cmdline()
223 	env_end = mm->env_end;  in get_mm_cmdline()
235 	if (env_start != arg_end || env_start >= env_end)  in get_mm_cmdline()
236 		env_start = env_end = arg_end;  in get_mm_cmdline()
239 	if (env_end >= arg_end + PAGE_SIZE)  in get_mm_cmdline()
240 		env_end = arg_end + PAGE_SIZE - 1;  in get_mm_cmdline()
246 	if (pos < arg_start || pos >= env_end)  in get_mm_cmdline()
250 	if (env_end - pos < count)  in get_mm_cmdline()
251 		count = env_end - pos;  in get_mm_cmdline()
908 	unsigned long env_start, env_end;  in environ_read()  local
911 	if (!mm || !mm->env_end)  in environ_read()
924 	env_end = mm->env_end;  in environ_read()
931 		if (src >= (env_end - env_start))  in environ_read()
934 		this_len = env_end - (env_start + src);  in environ_read()