Pull idr updates from Matthew Wilcox:
- test-suite improvements
- replace the extended API by improving the normal API
- performance improvement for IDRs which are 1-based rather than
0-based
- add documentation
* 'idr-2018-02-06' of git://git.infradead.org/users/willy/linux-dax:
idr: Add documentation
idr: Make 1-based IDRs more efficient
idr: Warn if old iterators see large IDs
idr: Rename idr_for_each_entry_ext
idr: Remove idr_alloc_ext
cls_u32: Convert to idr_alloc_u32
cls_u32: Reinstate cyclic allocation
cls_flower: Convert to idr_alloc_u32
cls_bpf: Convert to use idr_alloc_u32
cls_basic: Convert to use idr_alloc_u32
cls_api: Convert to idr_alloc_u32
net sched actions: Convert to use idr_alloc_u32
idr: Add idr_alloc_u32 helper
idr: Delete idr_find_ext function
idr: Delete idr_replace_ext function
idr: Delete idr_remove_ext function
IDR test suite: Check handling negative end correctly
idr test suite: Fix ida_test_random()
radix tree test suite: Remove ARRAY_SIZE
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