Hi ! When compiling 2.6.11-rc2: ... CC kernel/stop_machine.o In file included from include/linux/sysdev.h:24, from include/linux/cpu.h:22, from include/linux/stop_machine.h:8, from kernel/stop_machine.c:1: include/linux/kobject.h: In function `to_kset': include/linux/kobject.h:116: warning: implicit declaration of function `container_of' include/linux/kobject.h:116: error: parse error before "struct" include/linux/kobject.h:117: warning: no return statement in function returning non-void include/linux/kobject.h: In function `subsys_get': include/linux/kobject.h:224: error: parse error before "struct" include/linux/kobject.h:225: warning: no return statement in function returning non-void make[1]: *** [kernel/stop_machine.o] Error 1 make: *** [kernel] Error 2 Attached patch fixes this. Thanks Manish Lachwani