* make linux_kernel_2_6_22 return Bool
* linux_kernel_2_6_22: don't assert if /proc/sys/kernel/osrelease
can't be opened
* PRE(sys_timerfd_create), PRE(sys_signalfd):
use %ld for Word arguments, and use house types
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8138