Remove PG_MMAP_FLAGS from mem.h

Improve InitShmemAccess() prototype

Have read_stream_reset reset pending_read_nblocks.

Add slot-based table AM index scan interface.

Add non-MVCC index scan test module.

Add index scan pgstat test coverage.

Move visibility map memory ordering comments.

Fix crash on trying to expand a shared memory hash table

Fix wrong variable offset sanity check.

Fix rare test failure in nbtree_half_dead_pages

Fix amcheck's handling of half-dead B-tree pages

Add a test for half-dead pages in B-tree indexes

Fix amcheck's handling of incomplete root splits in B-tree

Add a test for incomplete splits in B-tree indexes

pg_stat_statements: Fix handling of duplicate constant locations

Fix hashjoin memory balancing logic

Improve stability of btree page split on ERRORs

Add test for HeapBitmapScan's broken skip_fetch optimization

Remove HeapBitmapScan's skip_fetch optimization

aio: Stop using enum bitfields due to bad code generation

aio: Add missing memory barrier when waiting for IO handle

Remove GUC_NOT_IN_SAMPLE from enable_self_join_elimination

Put enable_self_join_elimination into postgresql.conf.sample

Get rid of ojrelid local variable in remove_rel_from_query()

Implement Self-Join Elimination

Revert: Remove useless self-joins

Add redo LSN to pgstats files

Add more debugging information when failing to read pgstats files

Make write of pgstats file durable at shutdown

Add assertion in pgstat_write_statsfile() about processes allowed