sparc64: Define VA hole at run time, rather than at compile time.

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Now that we use 4-level page tables, we can provide up to 53-bits of
virtual address space to the user.

Adjust the VA hole based upon the capabilities of the cpu type probed.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>

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David S. Miller 2014-09-26 21:58:33 -07:00

parent ac55c76814

commit 4397bed080

2 changed files with 25 additions and 11 deletions

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15

arch/sparc/include/asm/page_64.h

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21

arch/sparc/mm/init_64.c

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