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Diffstat (limited to 'arch/x86/include/asm/xen/page.h')
-rw-r--r--arch/x86/include/asm/xen/page.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 64a619d47d3..7ff4669580c 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -39,7 +39,7 @@ typedef struct xpaddr {
39 ((unsigned long)((u64)CONFIG_XEN_MAX_DOMAIN_MEMORY * 1024 * 1024 * 1024 / PAGE_SIZE)) 39 ((unsigned long)((u64)CONFIG_XEN_MAX_DOMAIN_MEMORY * 1024 * 1024 * 1024 / PAGE_SIZE))
40 40
41extern unsigned long *machine_to_phys_mapping; 41extern unsigned long *machine_to_phys_mapping;
42extern unsigned int machine_to_phys_order; 42extern unsigned long machine_to_phys_nr;
43 43
44extern unsigned long get_phys_to_machine(unsigned long pfn); 44extern unsigned long get_phys_to_machine(unsigned long pfn);
45extern bool set_phys_to_machine(unsigned long pfn, unsigned long mfn); 45extern bool set_phys_to_machine(unsigned long pfn, unsigned long mfn);
@@ -87,7 +87,7 @@ static inline unsigned long mfn_to_pfn(unsigned long mfn)
87 if (xen_feature(XENFEAT_auto_translated_physmap)) 87 if (xen_feature(XENFEAT_auto_translated_physmap))
88 return mfn; 88 return mfn;
89 89
90 if (unlikely((mfn >> machine_to_phys_order) != 0)) { 90 if (unlikely(mfn >= machine_to_phys_nr)) {
91 pfn = ~0; 91 pfn = ~0;
92 goto try_override; 92 goto try_override;
93 } 93 }