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[SPARC64]: Fix >8K I/O mappings.
author
David S. Miller
<davem@davemloft.net>
Tue, 29 Nov 2005 21:59:03 +0000
(13:59 -0800)
committer
David S. Miller
<davem@davemloft.net>
Tue, 29 Nov 2005 21:59:03 +0000
(13:59 -0800)
Increment the PFN field of the PTE so that the tests
on vm_pfn in mm/memory.c match up. The TLB ignores these
lower bits for larger page sizes, so it's OK to set things
like this.
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc64/mm/generic.c
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diff --git
a/arch/sparc64/mm/generic.c
b/arch/sparc64/mm/generic.c
index d9396c1721cdd3d67e11ab2ec9b5c5174a096a4b..580b63da836bcee565fb435b6f833ac6f1eb9b70 100644
(file)
--- a/
arch/sparc64/mm/generic.c
+++ b/
arch/sparc64/mm/generic.c
@@
-77,6
+77,7
@@
static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
BUG_ON(!pte_none(*pte));
set_pte_at(mm, address, pte, entry);
address += PAGE_SIZE;
+ pte_val(entry) += PAGE_SIZE;
pte++;
} while (address < curend);
} while (address < end);