2.5.23 won't compile

[Felipe Alfaro Solana <falfaro@borak.es>]

  _Summary_

    Can't get linux kernel 2.5.23 to compile with success using config
    options in the attached file "config-2.5.23"

_Full description_

    When trying to compile the kernel using config options in
    "config-2.5.13", I get the following erros during a "make bzImage":

    make[1]: Entering directory `/usr/src/linux-2.5.23/kernel'
      gcc -Wp,-MD,./.sched.o.d -D__KERNEL__
    -I/usr/src/linux-2.5.23/include -Wall -Wstrict-prototypes
    -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing
    -fno-common -pipe -mpreferred-stack-boundary=2 -march=i686 -nostdinc
    -iwithprefix include    -fno-omit-frame-pointer
    -DKBUILD_BASENAME=sched   -c -o sched.o sched.c
    sched.c: In function `sys_sched_setaffinity':
    sched.c:1332: `cpu_online_map' undeclared (first use in this function)
    sched.c:1332: (Each undeclared identifier is reported only once
    sched.c:1332: for each function it appears in.)
    sched.c: In function `sys_sched_getaffinity':
    sched.c:1391: `cpu_online_map' undeclared (first use in this function)
    make[1]: *** [sched.o] Error 1
    make[1]: Leaving directory `/usr/src/linux-2.5.23/kernel'
    make: *** [kernel] Error 2

_Keywords
_

    Compile, Kernel