test/grsecurity-2.2.2-2.6.38.6-201105111839.patch
linux-2.6.38.x-grsec.x86_64
arch/x86/kernel/pvclock.c: In function ‘pvclock_clocksource_read’:
arch/x86/kernel/pvclock.c:128: error: implicit declaration of function ‘atomic64_cmpxchg_unchecked’
make[2]: *** [arch/x86/kernel/pvclock.o] Error 1
make[1]: *** [arch/x86/kernel] Error 2
make[1]: *** Waiting for unfinished jobs....