diff options
Diffstat (limited to 'arch/x86/include/asm/xen/page.h')
-rw-r--r-- | arch/x86/include/asm/xen/page.h | 4 |
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 | ||
41 | extern unsigned long *machine_to_phys_mapping; | 41 | extern unsigned long *machine_to_phys_mapping; |
42 | extern unsigned int machine_to_phys_order; | 42 | extern unsigned long machine_to_phys_nr; |
43 | 43 | ||
44 | extern unsigned long get_phys_to_machine(unsigned long pfn); | 44 | extern unsigned long get_phys_to_machine(unsigned long pfn); |
45 | extern bool set_phys_to_machine(unsigned long pfn, unsigned long mfn); | 45 | extern 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 | } |