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PD#SWPL-6193 Problem: ramdump need write compressed data to persist storage device. But if we write it under uboot, it may cause journal and block bitmap mismatch due to different version of file system. This caused kernel panic after ramdump finished. Solution: Write compressed data under kernel. This change also removed some extern function of ramdump since we use sticky register to store ramdump information. Verify: p212 Change-Id: Idd83ec6ead4783918b90a39cf716fd3117402278 Signed-off-by: Tao Zeng <tao.zeng@amlogic.com> Conflicts: arch/arm/boot/dts/amlogic/mesonaxg.dtsi arch/arm/boot/dts/amlogic/mesong12a.dtsi arch/arm/boot/dts/amlogic/mesongxl.dtsi arch/arm/boot/dts/amlogic/mesongxm.dtsi arch/arm/boot/dts/amlogic/mesontl1.dtsi arch/arm/boot/dts/amlogic/mesontxl.dtsi arch/arm/boot/dts/amlogic/mesontxlx.dtsi arch/arm64/boot/dts/amlogic/mesonaxg.dtsi arch/arm64/boot/dts/amlogic/mesong12a.dtsi arch/arm64/boot/dts/amlogic/mesongxl.dtsi arch/arm64/boot/dts/amlogic/mesongxm.dtsi arch/arm64/boot/dts/amlogic/mesontxl.dtsi arch/arm64/boot/dts/amlogic/mesontxlx.dtsi drivers/amlogic/memory_ext/ram_dump.c include/linux/amlogic/ramdump.h