Function incore

freebsd/kern/vfs_bio.c:3610–3614

* Check to see if a block is currently memory resident. */

 * Check to see if a block is currently memory resident.
 */
struct buf *
incore(struct bufobj *bo, daddr_t blkno)
{
	return (gbincore_unlocked(bo, blkno));
}

/*
 * Returns true if no I/O is needed to access the