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radix tree: Remove split/join code

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radix_tree_split and radix_tree_join were never used upstream.  Remove
them; if they're needed in future they will be replaced by XArray
equivalents.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
This commit is contained in:
Matthew Wilcox 2018-05-19 16:47:47 -04:00
parent 1cf56f9d67
commit 2956c6644b
4 changed files with 2 additions and 513 deletions
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6
include/linux/radix-tree.h
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@ -284,12 +284,6 @@ static inline void radix_tree_preload_end(void)
preempt_enable();
}
int radix_tree_split_preload(unsigned old_order, unsigned new_order, gfp_t);
int radix_tree_split(struct radix_tree_root *, unsigned long index,
unsigned new_order);
int radix_tree_join(struct radix_tree_root *, unsigned long index,
unsigned new_order, void *);
void __rcu **idr_get_free(struct radix_tree_root *root,
struct radix_tree_iter *iter, gfp_t gfp,
unsigned long max);