[PATCH V2 3/3] slub: build detached freelist with look-ahead

This change is a more advanced use of detached freelist. The bulk free array is scanned is a progressive manor with a limited look-ahead facility. To maintain the same performance level, as the previous simple implementation, the look-ahead have been limited to only 3 objects. This number have

[PATCH V2 3/3] slub: build detached freelist with look-ahead

This change is a more advanced use of detached freelist. The bulk free array is scanned is a progressive manor with a limited look-ahead facility. To maintain the same performance level, as the previous simple implementation, the look-ahead have been limited to only 3 objects. This number have