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| author | Matthew Wilcox <willy@infradead.org> | 2017-11-03 23:09:45 -0400 |
|---|---|---|
| committer | Matthew Wilcox <willy@infradead.org> | 2018-09-29 22:47:49 -0400 |
| commit | 02c02bf12c5d838603eed44195d3e91f094e2ab2 (patch) | |
| tree | cd7ab986f4b11b330f59d04f0bb9f618efb579fc /lib/Kconfig | |
| parent | 3159f943aafdbacb2f94c38fdaadabf2bbde2a14 (diff) | |
| download | lwn-02c02bf12c5d838603eed44195d3e91f094e2ab2.tar.gz lwn-02c02bf12c5d838603eed44195d3e91f094e2ab2.zip | |
xarray: Change definition of sibling entries
Instead of storing a pointer to the slot containing the canonical entry,
store the offset of the slot. Produces slightly more efficient code
(~300 bytes) and simplifies the implementation.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Diffstat (limited to 'lib/Kconfig')
| -rw-r--r-- | lib/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index a3928d4438b5..40bfa6ccd294 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -399,8 +399,15 @@ config INTERVAL_TREE for more information. +config XARRAY_MULTI + bool + help + Support entries which occupy multiple consecutive indices in the + XArray. + config RADIX_TREE_MULTIORDER bool + select XARRAY_MULTI config ASSOCIATIVE_ARRAY bool |