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-rw-r--r--arch/x86/kernel/acpi/boot.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index e48cafcf92a..bacf4b0d91f 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1706,3 +1706,9 @@ int __acpi_release_global_lock(unsigned int *lock)
} while (unlikely (val != old));
return old & 0x1;
}
+
+void __init arch_reserve_mem_area(acpi_physical_address addr, size_t size)
+{
+ e820_add_region(addr, size, E820_ACPI);
+ update_e820();
+}