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authorDavid S. Miller <davem@davemloft.net>2006-02-21 20:51:13 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-20 01:13:55 -0800
commit9cc3a1ac9a819cadff05ca37bb7f208013a22035 (patch)
tree601fa49272b540b3a3e6cc3728db27c525b73721 /arch/sparc/lib/memcpy.S
parent30c91d576e9ea41c963e7f28643219bda73b0ddc (diff)
[SPARC64]: Make use of Niagara 256MB PTEs for kernel mappings.
We use a bitmap, one bit for every 256MB of memory. If the bit is set we can use a 256MB PTE for linear mappings, else we have to use a 4MB PTE. SUN4V support is there, and we can very easily add support for Panther cpu 256MB PTEs in the future. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/lib/memcpy.S')
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