tree 77fe9c542dc018fd135fb89c8ac4165f4b6ed077
parent c12e51b07b3ac4c188fd91a82f96840fdb9cca6f
author Matthew Wilcox <willy@linux.intel.com> 1463788993 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1463792310 -0700

radix-tree: remove a use of root->height from delete_node

If radix_tree_shrink returns whether it managed to shrink, then
__radix_tree_delete_node doesn't ned to query the tree to find out
whether it did any work or not.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Kirill Shutemov <kirill.shutemov@linux.intel.com>
Cc: Jan Kara <jack@suse.com>
Cc: Neil Brown <neilb@suse.de>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>