Linux kernel 2.6.8 on m68k.

CONFIG_STRAM_SWAP:

Some Atari 68k macines (including the 520STF and 1020STE) divide
their addressible memory into ST and TT sections. The TT section
(up to 512MB) is the main memory; the ST section (up to 4MB) is
accessible to the built-in graphics board, runs slower, and is
present mainly for backward compatibility with older machines.

This enables support for using (parts of) ST-RAM as swap space,
instead of as normal system memory. This can first enhance system
performance if you have lots of alternate RAM (compared to the size
of ST-RAM), because executable code always will reside in faster
memory. ST-RAM will remain as ultra-fast swap space. On the other
hand, it allows much improved dynamic allocations of ST-RAM buffers
for device driver modules (e.g. floppy, ACSI, SLM printer, DMA
sound). The probability that such allocations at module load time
fail is drastically reduced.


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Full configuration for 2.6.8 on m68k


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