[PATCH 04/10] arm64/efi: reserve regions of type ACPI_MEMORY_NVS
Ard Biesheuvel
ard.biesheuvel at linaro.org
Wed Oct 22 07:21:47 PDT 2014
Memory regions of type ACPI_MEMORY_NVS should be preserved
by the OS, so make sure we reserve them at boot.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>
---
arch/arm64/kernel/efi.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index 95c49ebc660d..71ea4fc0aa8a 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -132,6 +132,7 @@ static __init int is_reserve_region(efi_memory_desc_t *md)
return 1;
if (md->type == EFI_ACPI_RECLAIM_MEMORY ||
+ md->type == EFI_ACPI_MEMORY_NVS ||
md->type == EFI_RESERVED_TYPE)
return 1;
--
1.8.3.2
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