Merge the experimental shared-memory mmap-by-chunk changes into the trunk.

FossilOrigin-Name: f295e7ed5f04f6b8bffdaff8b565be3836ce4e80

diff --cc manifest
index c374482ea87630fcb14379b5e9bb9b4de18986a3,86656a4e33e158f81545f22495b2487b9b0cac05..95e8cf0a0cea2413ad127b896acbb97fb06aace1
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,8 -1,5 +1,8 @@@
 -C Add\sthe\snew\sxShmMap\s(formerly\sxShmPage)\sto\sos_win.c.
 -D 2010-06-14T16:16:34
 +-----BEGIN PGP SIGNED MESSAGE-----
 +Hash: SHA1
 +
- C Refactor\sand\ssimplify\sthe\slogic\sused\sto\schange\sjournalmode.
- D 2010-06-11T17:01:25
++C Merge\sthe\sexperimental\sshared-memory\smmap-by-chunk\schanges\sinto\sthe\strunk.
++D 2010-06-14T17:09:53
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  F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@@ -823,14 -820,7 +823,14 @@@ F tool/speedtest2.tcl ee2149167303ba8e9
  F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
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  F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
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diff --cc manifest.uuid
index cc28afffbf92651218f626495a38969256ee7357,13f5f78d56537a238edb0d36906b4e898967de3f..1711da0160aebf4cb4e5a23c4e152bfa420ed4f2
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 95cc3f6fdec5494560c3cd4439d06870d1c62506
 -13e7a8242206bca4b5bf356ef074e66474d39609
++f295e7ed5f04f6b8bffdaff8b565be3836ce4e80