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[Xen-changelog] That one is obviously needed to make pae xen-linux work

from [Xen patchbot -unstable]

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Subject:	[Xen-changelog] That one is obviously needed to make pae xen-linux work with
From:	Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Mon, 08 Aug 2005 13:00:13 -0400
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID dcb2b7a1c621ac707c493cb8375e8261123ce7d4
# Parent  f586b9ecd47476357b685707e21c7fc274cbd51c
That one is obviously needed to make pae xen-linux work with
more than 4GB.

diff -r f586b9ecd474 -r dcb2b7a1c621 
linux-2.6-xen-sparse/include/asm-xen/asm-i386/pgtable-3level.h
--- a/linux-2.6-xen-sparse/include/asm-xen/asm-i386/pgtable-3level.h    Mon Aug 
 8 14:39:29 2005
+++ b/linux-2.6-xen-sparse/include/asm-xen/asm-i386/pgtable-3level.h    Mon Aug 
 8 16:51:02 2005
@@ -132,7 +132,8 @@
 
 #define INVALID_P2M_ENTRY (~0U)
 #define FOREIGN_FRAME(_m) ((_m) | (1UL<<((sizeof(unsigned long)*8)-1)))
-#define pte_mfn(_pte) ((_pte).pte_low >> PAGE_SHIFT) /* FIXME */
+#define pte_mfn(_pte) ( ((_pte).pte_low >> PAGE_SHIFT) |\
+                       (((_pte).pte_high & 0xfff) << (32-PAGE_SHIFT)) )
 #define pte_pfn(_pte)                                                  \
 ({                                                                     \
        unsigned long mfn = pte_mfn(_pte);                              \

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