powerpc: Minor cleanups of kernel virt address space definitions

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Make FIXADDR_TOP a compile time constant and cleanup a
couple of definitions relative to the layout of the kernel
address space on ppc32. We also print out that layout at
boot time for debugging purposes.

This is a pre-requisite for properly fixing non-coherent
DMA allocactions.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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This commit is contained in:

Benjamin Herrenschmidt 2009-05-27 13:44:50 +10:00

parent b16e7766d6

commit f637a49e50

5 changed files with 37 additions and 12 deletions

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4

arch/powerpc/include/asm/fixmap.h

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22

arch/powerpc/include/asm/pgtable-ppc32.h

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8

arch/powerpc/mm/init_32.c

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13

arch/powerpc/mm/mem.c

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2

arch/powerpc/mm/pgtable_32.c

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