sparc64: Switch to 4-level page tables.

[ Upstream commit ac55c76814 ]

This has become necessary with chips that support more than 43-bits
of physical addressing.

Based almost entirely upon a patch by Bob Picco.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David S. Miller 2014-09-26 21:19:46 -07:00 • committed by Greg Kroah-Hartman
commit 6aac5338c8
6 changed files with 109 additions and 10 deletions