[PATCH 10/29] radix-tree: Add radix_tree_join

2016-11-16 Thread Matthew Wilcox
From: Matthew Wilcox This new function allows for the replacement of many smaller entries in the radix tree with one larger multiorder entry. From the point of view of an RCU walker, they may see a mixture of the smaller entries and the large entry during the same walk, but they will never see N

[PATCH 10/29] radix-tree: Add radix_tree_join

2016-11-16 Thread Matthew Wilcox
From: Matthew Wilcox This new function allows for the replacement of many smaller entries in the radix tree with one larger multiorder entry. From the point of view of an RCU walker, they may see a mixture of the smaller entries and the large entry during the same walk, but they will never see N