mysqld.cc:

  BUG #5731 Restrict key_buffer_size to 4GB on 64 bit platforms

BitKeeper/etc/logging_ok

@@ -24,6 +24,7 @@ bk@admin.bk
 brian@brian-akers-computer.local
 carsten@tsort.bitbybit.dk
 davida@isil.mysql.com
+dellis@goetia.(none)
 dlenev@brandersnatch.localdomain
 dlenev@build.mysql.com
 dlenev@mysql.com

sql/mysqld.cc

@@ -4144,7 +4144,7 @@ replicating a LOAD DATA INFILE command",
   {"key_buffer_size", OPT_KEY_BUFFER_SIZE,
    "The size of the buffer used for index blocks. Increase this to get better index handling (for all reads and multiple writes) to as much as you can afford; 64M on a 256M machine that mainly runs MySQL is quite common.",
    (gptr*) &keybuff_size, (gptr*) &keybuff_size, 0, GET_ULL,
-   REQUIRED_ARG, KEY_CACHE_SIZE, MALLOC_OVERHEAD, (long) ~0, MALLOC_OVERHEAD,
+   REQUIRED_ARG, KEY_CACHE_SIZE, MALLOC_OVERHEAD, (uint32) ~0, MALLOC_OVERHEAD,
    IO_SIZE, 0},
   {"long_query_time", OPT_LONG_QUERY_TIME,
    "Log all queries that have taken more than long_query_time seconds to execute to file.",