FreeBSD/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
/*
 * Check if arc_size has grown past our upper threshold, determined by
 * zfs_arc_overflow_shift.
 */
Check if arc_size has grown past our upper threshold, determined by
zfs_arc_overflow_shift.
Check if arc_size has grown past our upper threshold determined by zfs_arc_overflow_shift .
static boolean_t
arc_is_overflowing(void)
{
	uint64_t overflow = MAX(SPA_MAXBLOCKSIZE,
	    arc_c >> zfs_arc_overflow_shift);
	return (arc_size >= arc_c + overflow);
}
static boolean_t arc_is_overflowing ( void ) { uint64_t overflow = MAX ( SPA_MAXBLOCKSIZE , arc_c >> zfs_arc_overflow_shift ) ; return ( arc_size >= arc_c + overflow ) ; }
Check if arc_size has grown past our upper threshold, determined by
 zfs_arc_overflow_shift.
Check if arc_size has grown past our upper threshold determined by zfs_arc_overflow_shift .
/* Always allow at least one block of overflow */