编译飞凌提供的内核出现错误 新手完全求解救

drivers/built-in.o: In function `s3c_nand_wait_ecc_busy':
/work/bluesky/samsung/s5pv210/localcode/android-kernel-samsung-dev/drivers/mtd/nand/s3c_nand.c:466: undefined reference to `__might_sleep'
drivers/built-in.o: In function `s3c_nand_wait_dec':
/work/bluesky/samsung/s5pv210/localcode/android-kernel-samsung-dev/drivers/mtd/nand/s3c_nand.c:447: undefined reference to `__might_sleep'
drivers/built-in.o: In function `s3c_nand_wait_enc':
/work/bluesky/samsung/s5pv210/localcode/android-kernel-samsung-dev/drivers/mtd/nand/s3c_nand.c:428: undefined reference to `__might_sleep'
Makefile:815: recipe for target '.tmp_vmlinux1' failed
make: *** [.tmp_vmlinux1] Error 1
mdc@mdc-linux:~/test/android-kernel-samsung-dev$

论坛真的没人呀……坑了