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It is better to increase the reserved memory region in the Linux kernel to protect the data. Signed-off-by: Shiji Yang --- Ref: https://github.com/mtk-openwrt/arm-trusted-firmware/blob/78a0dfd927bb00ce973a1f8eb4079df0f755887a/plat/mediatek/mt7986/include/platform_def.h#L61-L71 arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi index 559990dcd..d21e0d13f 100644 --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi @@ -68,9 +68,9 @@ reserved-memory { #address-cells = <2>; #size-cells = <2>; ranges; - /* 192 KiB reserved for ARM Trusted Firmware (BL31) */ + /* 256 KiB reserved for ARM Trusted Firmware (BL31 + BL32) */ secmon_reserved: secmon@43000000 { - reg = <0 0x43000000 0 0x30000>; + reg = <0 0x43000000 0 0x40000>; no-map; }; -- 2.50.0