论坛徽章:: 0

电梯直达

1楼 [收藏(0)] [报告]

发表于 2009-08-05 13:52 |只看该作者 |倒序浏览

优化1、取消虚拟内存的支持
General setup  --->
   [ ] Support for paging of anonymous memory (swap)

优化2、使用默认的IO调度器，取消其他的调度器
-*- Enable the block layer  --->
   IO Schedulers  --->
  < > Anticipatory I/O scheduler
  <*> Deadline I/O scheduler
  < > CFQ I/O scheduler
  Default I/O scheduler (Deadline)  --->

优化3、取消对旧版本二进制执行文件的支持
Userspace binary formats  --->
< > Kernel support for a.out and ECOFF binaries

优化4、取消不必要的设备的支持
Device Drivers  --->
<*> Memory Technology Device (MTD) support  --->

MTD partitioning support
  < >    RedBoot partition table parsing
RAM/ROM/Flash chip drivers  --->
< > Detect flash chips by Common Flash Interface (CFI) probe
< > Detect non-CFI AMD/JEDEC-compatible flash chips
< > Support for RAM chips in bus mapping
< > Support for ROM chips in bus mapping
< > Support for absent chips in bus mapping
< > Parallel port support  --->
[ ] Block devices  --->
< > ATA/ATAPI/MFM/RLL support  --->
Input device support  --->

Keyboards  --->
< > AT keyboard
  Character devices  --->
  [ ] Non-standard serial port support
Serial drivers  --->
< > 8250/16550 and compatible serial support
   *** Non-8250 serial port support ***
<*> Samsung S3C2410/S3C2440/S3C2442/S3C2412 Serial port support

Support for console on S3C2410 serial port
  [ ] Legacy (BSD) PTY support
SPI support  --->
  [ ] SPI support
< > Hardware Monitoring support  --->

优化5、取消不需要的文件系统的支持
File systems  --->
  < > Second extended fs support
  < > Ext3 journalling file system support
  < > Ext4dev/ext4 extended fs support development (EXPERIMENTAL)
Miscellaneous filesystems  --->
< > Journalling Flash File System v2 (JFFS2) support

完成以上的优化配置有，内核镜像会由之前的1.9MB缩减到1.7MB左右。