我在编译内核时出错，请大家指点！

wjl88kay2008

我是在想让我的RedHat9支持NTFS文件系统，可是在编译时出现了如下错误：
/usr/src/linux-2.4.20-8/include/linux/dcache.h: In function `dget':
/usr/src/linux-2.4.20-8/include/linux/dcache.h:254: warning: implicit declaration of function `__out_of_line_bug_R8b0fd3c5'
cpufreq.c: In function `cpufreq_parse_policy':
cpufreq.c:111: warning: implicit declaration of function `sscanf_R859204af'
cpufreq.c: In function `cpufreq_proc_read':
cpufreq.c:225: warning: implicit declaration of function `sprintf_R1d26aa98'
cpufreq.c: In function `cpufreq_proc_init':
cpufreq.c:327: warning: implicit declaration of function `printk_R1b7d4074'
cpufreq.c: In function `cpufreq_restore':
cpufreq.c:1109: warning: implicit declaration of function `panic_R01075bf0'
cpufreq.c: At top level:
cpufreq.c:192: warning: `cpufreq_setup' defined but not used
make[1]: *** [cpufreq.o] Error 1
make[1]: Leaving directory `/usr/src/linux-2.4.20-8/kernel'
make: *** [_mod_kernel] Error 2
希望大家帮帮小弟，不胜感激！