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Diffstat (limited to 'arch/x86/include/asm/acpi.h')
-rw-r--r--arch/x86/include/asm/acpi.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 65f1e95cade9..5391b0ae7cc3 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -169,4 +169,6 @@ static inline pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr)
}
#endif
+#define ACPI_TABLE_UPGRADE_MAX_PHYS (max_low_pfn_mapped << PAGE_SHIFT)
+
#endif /* _ASM_X86_ACPI_H */