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-rw-r--r--open_issues/address_space_memory_mapping_entries.mdwn2
1 files changed, 2 insertions, 0 deletions
diff --git a/open_issues/address_space_memory_mapping_entries.mdwn b/open_issues/address_space_memory_mapping_entries.mdwn
index caf447dd..10494cc5 100644
--- a/open_issues/address_space_memory_mapping_entries.mdwn
+++ b/open_issues/address_space_memory_mapping_entries.mdwn
@@ -17,3 +17,5 @@ IRC, freenode, #hurd, 2011-05-07
linked list
<braunr> a bare linked list
<braunr> which makes faults and page cache lookups even slower
+
+A red-black tree was added to VM maps to speed up lookups.