make[1]: `arch/i386/kernel/asm-offsets.s' is up to date.
  CHK     include/linux/compile.h
  GEN     .version
  CHK     include/linux/compile.h
  UPD     include/linux/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1
fs/built-in.o(.text+0xa811c): In function `gzip1_alloc':
: undefined reference to `in_softirq'
fs/built-in.o(.text+0xa81d1): In function `gzip1_alloc':
: undefined reference to `in_softirq'
make: *** [.tmp_vmlinux1] Error 1

config included.

-- 
GJ