From: Ma Wupeng <mawupeng1@xxxxxxxxxx>
Commit b05b9f5f9dcf ("x86, mirror: x86 enabling - find mirrored memory ranges")
introduced mirrored memory support for x86 and this could be used on arm64.
So efi_find_mirror() is added in efi_init() so on EFI enabled systems scan
the memory map and tell memblock about any mirrored ranges.
Signed-off-by: Ma Wupeng <mawupeng1@xxxxxxxxxx>
---
Documentation/admin-guide/kernel-parameters.txt | 2 +-
arch/arm64/kernel/setup.c | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index e064839895ee..0af91e0aafea 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2270,7 +2270,7 @@
keepinitrd [HW,ARM]
- kernelcore= [KNL,X86,IA-64,PPC]
+ kernelcore= [KNL,X86,IA-64,PPC,ARM64]
Format: nn[KMGTPE] | nn% | "mirror"
This parameter specifies the amount of memory usable by
the kernel for non-movable allocations. The requested
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index daade64889ff..3957290d9ade 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -345,6 +345,7 @@ void __init __no_sanitize_address setup_arch(char **cmdline_p)
arm64_memblock_init();
efi_fake_memmap();
+ efi_find_mirror();
paging_init();
--
2.18.0.huawei.25
