I get this build error with the current mainline git tree. Let me know if further details are needed...
... In file included from include/linux/sched.h:75, from include/linux/smp_lock.h:5, from include/linux/hardirq.h:5, from include/linux/slub_def.h:13, from include/linux/slab.h:116, from include/linux/percpu.h:5, from include/linux/rcupdate.h:41, from include/linux/key.h:21, from include/linux/syscalls.h:67, from init/noinitramfs.c:23: include/linux/pid.h:51: error: field 'rcu' has incomplete type In file included from include/linux/smp_lock.h:5, from include/linux/hardirq.h:5, from include/linux/slub_def.h:13, from include/linux/slab.h:116, from include/linux/percpu.h:5, from include/linux/rcupdate.h:41, from include/linux/key.h:21, from include/linux/syscalls.h:67, from init/noinitramfs.c:23: include/linux/sched.h:1187: error: field 'rcu' has incomplete type include/linux/sched.h: In function 'next_thread': include/linux/sched.h:1650: error: implicit declaration of function 'rcu_dereference' include/linux/sched.h:1650: warning: initialization makes pointer from integer without a cast make[1]: *** [init/noinitramfs.o] Error 1 make: *** [init] Error 2 -- Jesper Juhl <[EMAIL PROTECTED]> Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html Plain text mails only, please http://www.expita.com/nomime.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/