Function cache_drop_vnode

freebsd/kern/vfs_cache.c:551–561

}

static void
cache_drop_vnode(struct vnode *vp)
{

	/*
	 * Called after all locks are dropped, meaning we can't assert
	 * on the state of v_cache_src.
	 */
	vdrop(vp);
	counter_u64_add(numcachehv, -1);
}

/*
 * UMA zones.