我容易就查到了： pjq@gentoo-pjq ~ $ ls -l /boot/kernel-2.6.* -lht -rw-r–r– 1 root root 2.5M 2009-09-13 00:14 /boot/kernel-2.6.30-r6 -rw-r–r– 1 root root 2.5M 2009-08-30 22:27 /boot/kernel-2.6.30-r5 -rw-r–r– 1 root root 2.5M 2009-08-06 20:49 /boot/kernel-2.6.30-r4 -rw-r–r– 1 root root 2.4M 2009-07-09 22:22 /boot/kernel-2.6.29-r5-3 -rw-r–r– 1 root root 2.4M 2009-07-05 02:21 /boot/kernel-2.6.29-r5-tun -rw-r–r– 1 root root 2.4M 2009-06-06 12:00 /boot/kernel-2.6.29-r5 -rw-r–r– 1 root root 2.3M 2009-04-25 17:46 /boot/kernel-2.6.28-r5 -rw-r–r– 1 root root 2.2M 2009-04-14 20:03 /boot/kernel-2.6.27-r10 -rw-r–r– 1 root root 2.2M 2009-04-10 22:38 /boot/kernel-2.6.27-r8-tlwn321g -rw-r–r– 1 root root 2.2M 2009-04-02 22:38 /boot/kernel-2.6.27-r8-uvc -rw-r–r– 1 root root 2.1M 2009-02-22 15:00 /boot/kernel-2.6.27-r8-2 -rw-r–r– 1 root root 2.1M 2009-02-07 02:01 /boot/kernel-2.6.27-r8 -rw-r–r– 1 root root 2.5M 2008-12-27 22:07 /boot/kernel-2.6.27-r7-zh -rw-r–r– 1 root root 2.1M 2008-12-27 20:46 /boot/kernel-2.6.27-r7 -rw-r–r– 1 root root 2.5M 2008-12-24 22:18 /boot/kernel-2.6.26-r4-zh -rw-r–r– 1 root root 2.1M 2008-12-07 17:43 /boot/kernel-2.6.26-r4 -rw-r–r– 1 root root 2.1M 2008-11-25 22:41 /boot/kernel-2.6.26-r3 -rw-r–r– 1 root root 2.1M 2008-10-10 22:28 /boot/kernel-2.6.25-r8 -rw-r–r– 1 root root 2.1M 2008-10-04 12:53 /boot/kernel-2.6.25-r7-udf -rw-r–r– 1 root root 2.0M 2008-09-08 23:05 /boot/kernel-2.6.25-r7 -rw-r–r– 1 root root 2.0M 2008-08-16 23:49 /boot/kernel-2.6.25-r7-camera -rw-r–r– 1 root root 2.0M 2008-08-02 12:36 /boot/kernel-2.6.25-r7-nonet -rw-r–r– 1 root root 2.0M 2008-08-02 11:20 /boot/kernel-2.6.25-r7-noipv6 -rw-r–r– 1 root root 2.1M 2008-08-02 10:22 /boot/kernel-2.6.25-r7-ipv6 -rw-r–r– 1 root root 2.1M 2008-06-17 22:18 /boot/kernel-2.6.24-r8-1 -rw-r–r– 1 root root 2.1M 2008-06-04 20:46 /boot/kernel-2.6.24-r8-ipv6 -rw-r–r– 1 root root 2.0M 2008-06-04 14:39 /boot/kernel-2.6.24-r8

最早的是2008-06-04了到现在一年半了，编译升级频率还是挺高的，过不了多久就要升级一次内核。 而且大小也是越来越大了，好长时间没有去重新配置内核了，每次升级内核就只是简单的copy前一个版本的 .config,然后make menuconfig,保存一下，然后make。 到现在虽然没有重新去配置过内核，但现在看起来还没什么问题，只是大小越来越大了从2M到2.5M了。 有时间还是需要去重新配置一下了。