Only in 2.4.18rc2aa2: 00_block-highmem-all-18b-2.gz
Only in 2.4.18rc4aa1: 00_block-highmem-all-18b-3.gz
Only in 2.4.18rc2aa2: 10_block-highmem-all-18b-2

	Don't mark it experimental anymore and avoid changing the ll_rw_block
	queue changes in this patch, return to the mainline values. If needed
	they should go into a separate patch for clarity.
	Use CONFIG_DISCONTIGMEM for some microoptimization.

Only in 2.4.18rc4aa1: 00_prepare-write-fixes-1

	Fixed a few bugs in the block_prepare_write while dealing with
	get_block failures.

Only in 2.4.18rc2aa2: 00_ptrace-fix-1

	Merged in mainline.

Only in 2.4.18rc2aa2: 10_vm-25
Only in 2.4.18rc4aa1: 10_vm-27

	Further updates.

Only in 2.4.18rc2aa2: 20_balance-dirty-wait-1

	Dropped (to see if write performance increases).

Only in 2.4.18rc2aa2: 20_pte-highmem-13
Only in 2.4.18rc4aa1: 20_pte-highmem-14

	Merged ia64.

Only in 2.4.18rc4aa1: 70_xfs-1.gz

	Merged SGI's XFS integrated with -aa VM.