reboot(8): print syscall error on sysctl failure
Noted by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D42561
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@ -281,7 +281,7 @@ get_pageins(void)
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len = sizeof(pageins);
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if (sysctlbyname("vm.stats.vm.v_swappgsin", &pageins, &len, NULL, 0)
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!= 0) {
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warnx("v_swappgsin");
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warn("v_swappgsin");
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return (0);
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}
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return (pageins);
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