[Xen-changelog] [xen-unstable] [IA64] Update for cset 16067:9f9f9b68cd08

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir@xxxxxxxxxxxxx>
# Date 1191942343 -3600
# Node ID a18dbd4a96e68456dc0e2db3dc1268fce914dd40
# Parent  de68316bd2faf801447674387bd23f28b12090cc
[IA64] Update for cset 16067:9f9f9b68cd08
Signed-off-by: Alex Williamson <alex.williamson@xxxxxx>
---
 xen/arch/ia64/xen/mm.c    |    7 +++++++
 xen/include/asm-ia64/mm.h |    3 +++
 2 files changed, 10 insertions(+)

diff -r de68316bd2fa -r a18dbd4a96e6 xen/arch/ia64/xen/mm.c
--- a/xen/arch/ia64/xen/mm.c    Mon Oct 08 13:43:17 2007 +0100
+++ b/xen/arch/ia64/xen/mm.c    Tue Oct 09 16:05:43 2007 +0100
@@ -2893,6 +2893,13 @@ arch_memory_op(int op, XEN_GUEST_HANDLE(
     return 0;
 }
 
+int
+iomem_page_test(unsigned long mfn, struct page_info *page)
+{
+       return unlikely(!mfn_valid(mfn)) ||
+              unlikely(page_get_owner(page) == dom_io);
+}
+
 /*
  * Local variables:
  * mode: C
diff -r de68316bd2fa -r a18dbd4a96e6 xen/include/asm-ia64/mm.h
--- a/xen/include/asm-ia64/mm.h Mon Oct 08 13:43:17 2007 +0100
+++ b/xen/include/asm-ia64/mm.h Tue Oct 09 16:05:43 2007 +0100
@@ -184,6 +184,9 @@ static inline int get_page(struct page_i
     while(unlikely((y = cmpxchg_acq((u64*)&page->count_info, x, nx)) != x));
     return 1;
 }
+
+/* Decide whether this page looks like iomem or real memory */
+int iomem_page_test(unsigned long mfn, struct page_info *page);
 
 extern void put_page_type(struct page_info *page);
 extern int get_page_type(struct page_info *page, u32 type);

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