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	{			{
	struct sfstat s;			struct sfstat s;

	COUNTER_ARRAY_COPY(sfstat, &s, sizeof(s) / sizeof(uint64_t));			COUNTER_ARRAY_COPY(sfstat, &s, sizeof(s) / sizeof(uint64_t));
	if (req->newptr)			if (req->newptr)
	COUNTER_ARRAY_ZERO(sfstat, sizeof(s) / sizeof(uint64_t));			COUNTER_ARRAY_ZERO(sfstat, sizeof(s) / sizeof(uint64_t));
	return (SYSCTL_OUT(req, &s, sizeof(s)));			return (SYSCTL_OUT(req, &s, sizeof(s)));
	}			}
	SYSCTL_PROC(_kern_ipc, OID_AUTO, sfstat, CTLTYPE_OPAQUE \| CTLFLAG_RW,			SYSCTL_PROC(_kern_ipc, OID_AUTO, sfstat,
	NULL, 0, sfstat_sysctl, "I", "sendfile statistics");			CTLTYPE_OPAQUE \| CTLFLAG_RW \| CTLFLAG_NEEDGIANT,
				NULL, 0, sfstat_sysctl, "I",
				"sendfile statistics");

	static void			static void
	sendfile_free_mext(struct mbuf *m)			sendfile_free_mext(struct mbuf *m)
	{			{
	struct sf_buf *sf;			struct sf_buf *sf;
	vm_page_t pg;			vm_page_t pg;
	int flags;			int flags;

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