D18046.diff
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	Index: head/lib/libthr/thread/thr_init.c
	===================================================================
	--- head/lib/libthr/thread/thr_init.c
	+++ head/lib/libthr/thread/thr_init.c
	@@ -474,8 +474,9 @@
	PANIC("Cannot get stack rlimit");
	_thr_stack_initial = rlim.rlim_cur;
	}
	- len = sizeof(_thr_is_smp);
	- sysctlbyname("kern.smp.cpus", &_thr_is_smp, &len, NULL, 0);
	+ _thr_is_smp = sysconf(_SC_NPROCESSORS_CONF);
	+ if (_thr_is_smp == -1)
	+ PANIC("Cannot get _SC_NPROCESSORS_CONF");
	_thr_is_smp = (_thr_is_smp > 1);
	_thr_page_size = getpagesize();
	_thr_guard_default = _thr_page_size;