X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/ee3c2fea18d0c940c2256c6bf041f546c703c375..92583637b25b6bde926f9ca6be7b085e5ac8b1e6:/doc/doc-txt/ChangeLog

diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index c1f6f9b6d..89c45425d 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -218,6 +218,16 @@ JH/45 Use a (new) separate store pool-pair for DKIM verify working data.
       This meant a connection with many messages would use continually-growing
       memory.
 
+JH/46 Use an exponentially-increasing block size when malloc'ing store.  Do it
+      per-pool so as not to waste too much space.  Previously a constant size
+      was used which resulted in O(n^2) behaviour; now we get O(n log n) making
+      DOS attacks harder.  The cost is wasted memory use in the larger blocks.
+
+JH/47 Use explicit alloc/free for DNS lookup workspace.  This permits using the
+      same space repeatedly, and a smaller process footprint.
+
+
+
 
 Exim version 4.94
 -----------------