Remove artificial MAX_IO_SIZE constant, equal to DFLTPHYS * 2. Use MAXPHYS instead. It is NULL change for GENERIC kernel, but allows 'fast' mode to work on systems with increased MAXPHYS.
Remove artificial MAX_IO_SIZE constant, equal to DFLTPHYS * 2. Use MAXPHYS
instead. It is NULL change for GENERIC kernel, but allows 'fast' mode to
work on systems with increased MAXPHYS.

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