tree c9b09f6a0593ba85a4838913e21be9b5dc8b584d
parent 57578c2ea2cb2e0d362a9212ac83cf90221d4883
author Matthew Wilcox <willy@linux.intel.com> 1463788917 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1463792310 -0700

radix-tree: add missing sibling entry functionality

The code I previously added to enable multiorder radix tree entries was
untested and therefore buggy.  This commit adds the support functions
that Ross and I decided were necessary over a four-week period of
iterating various designs.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Reviewed-by: Ross Zwisler <ross.zwisler@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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>