rich linux-2.6.26 # make
  CHK     include/linux/version.h
  CHK     include/linux/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CC      init/main.o
In file included from init/main.c:32:
include/linux/security.h: In function 'security_ptrace_traceme':
include/linux/security.h:1760: error: 'parent' undeclared (first use in this 
function)
include/linux/security.h:1760: error: (Each undeclared identifier is reported 
only once
include/linux/security.h:1760: error: for each function it appears in.)
make[1]: *** [init/main.o] Error 1
make: *** [init] Error 2

Probably caused by commit 5cd9c58fbe9ec92b45b27e131719af4f2bd9eb40
security: Fix setting of PF_SUPERPRIV by __capable()
David Howells [Thu, 14 Aug 2008 10:37:28 +0000 (11:37 +0100)]

My config attached