Matthew Wilcox 7b8d046fba shmem: Convert shmem_alloc_hugepage to XArray ...

xa_find() is a slightly easier API to use than
radix_tree_gang_lookup_slot() because it contains its own RCU locking.
This commit removes the last user of radix_tree_gang_lookup_slot()
so remove the function too.

Signed-off-by: Matthew Wilcox <willy@infradead.org>

2018-10-21 10:46:40 -04:00

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