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authorMatthew Wilcox <willy@linux.intel.com>2016-05-20 17:01:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-20 17:58:30 -0700
commit57578c2ea2cb2e0d362a9212ac83cf90221d4883 (patch)
tree75d21adcd94ea063abe57c3e9f97076694183f7d /lib/Kconfig
parent6c4bd68a2962c03423a226d949caf64216d013cc (diff)
downloadlinux-57578c2ea2cb2e0d362a9212ac83cf90221d4883.tar.gz
linux-57578c2ea2cb2e0d362a9212ac83cf90221d4883.tar.xz
raxix-tree: introduce CONFIG_RADIX_TREE_MULTIORDER
I've been receiving increasingly concerned notes from 0day about how much my recent changes have been bloating the radix tree. Make it happier by only including multiorder support if CONFIG_TRANSPARENT_HUGEPAGES is set. This is an independent Kconfig option, so other radix tree users can also set it if they have a need. 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>
Diffstat (limited to 'lib/Kconfig')
-rw-r--r--lib/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 61d55bd0ed89..d79909dc01ec 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -362,6 +362,9 @@ config INTERVAL_TREE
for more information.
+config RADIX_TREE_MULTIORDER
+ bool
+
config ASSOCIATIVE_ARRAY
bool
help