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[Xen-changelog] [xen-unstable] [IA64] Define mfn_to_local_pfn()

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Subject:	[Xen-changelog] [xen-unstable] [IA64] Define mfn_to_local_pfn()
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Fri, 16 Jun 2006 18:41:00 +0000
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# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 912588576817fddae490a9bea71c58d2f8ea9802
# Parent  942ecf21dc066cb6a591c3db86863374e34f4c0c
[IA64] Define mfn_to_local_pfn()

Signed-off-by: Alex Williamson <alex.williamson@xxxxxx>
---
 linux-2.6-xen-sparse/include/asm-ia64/page.h |   10 ++++++++++
 1 files changed, 10 insertions(+)

diff -r 942ecf21dc06 -r 912588576817 
linux-2.6-xen-sparse/include/asm-ia64/page.h
--- a/linux-2.6-xen-sparse/include/asm-ia64/page.h      Tue Jun 13 09:35:43 
2006 -0600
+++ b/linux-2.6-xen-sparse/include/asm-ia64/page.h      Tue Jun 13 11:41:05 
2006 -0600
@@ -325,6 +325,16 @@ machine_to_phys_for_dma(unsigned long ma
 #define virt_to_mfn(virt)              (__pa(virt) >> PAGE_SHIFT)
 #define virt_to_machine(virt)          __pa(virt) // for tpmfront.c
 
+static inline unsigned long
+mfn_to_local_pfn(unsigned long mfn)
+{
+       extern unsigned long max_mapnr;
+       unsigned long pfn = mfn_to_pfn(mfn);
+       if (!pfn_valid(pfn))
+               return INVALID_P2M_ENTRY;
+       return pfn;
+}
+
 #endif /* CONFIG_XEN_IA64_DOM0_VP */
 #endif /* CONFIG_XEN */
 #endif /* __ASSEMBLY__ */

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