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configs: Enable more ZRAM backends
6.12 kernel reworked how ZRAM backends were configured. Let's enable the ones we've lost. I've chosen zstd as the default. 6.6 kernel supported: $ cat /sys/block/zram0/comp_algorithm [lzo-rle] lzo lz4 zstd 6.12 currently supports: $ cat /sys/block/zram0/comp_algorithm [lzo-rle] lzo With this PR 6.12 supports: $ cat /sys/block/zram0/comp_algorithm lzo-rle lzo lz4 [zstd] See: https://forums.raspberrypi.com/viewtopic.php?p=2296678#p2296678 Signed-off-by: Dom Cobley <[email protected]>
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‎arch/arm/configs/bcm2709_defconfig‎

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@@ -441,6 +441,10 @@ CONFIG_MTD_SPI_NOR=m
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CONFIG_MTD_UBI=m
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CONFIG_OF_CONFIGFS=y
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CONFIG_ZRAM=m
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CONFIG_ZRAM_BACKEND_LZ4=y
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CONFIG_ZRAM_BACKEND_ZSTD=y
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CONFIG_ZRAM_BACKEND_LZO=y
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CONFIG_ZRAM_DEF_COMP_ZSTD=y
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CONFIG_ZRAM_WRITEBACK=y
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CONFIG_ZRAM_MULTI_COMP=y
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CONFIG_BLK_DEV_LOOP=y

‎arch/arm/configs/bcm2711_defconfig‎

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@@ -448,6 +448,10 @@ CONFIG_MTD_SPI_NOR=m
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CONFIG_MTD_UBI=m
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CONFIG_OF_CONFIGFS=y
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CONFIG_ZRAM=m
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CONFIG_ZRAM_BACKEND_LZ4=y
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CONFIG_ZRAM_BACKEND_ZSTD=y
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CONFIG_ZRAM_BACKEND_LZO=y
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CONFIG_ZRAM_DEF_COMP_ZSTD=y
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CONFIG_ZRAM_WRITEBACK=y
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CONFIG_ZRAM_MULTI_COMP=y
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CONFIG_BLK_DEV_LOOP=y

‎arch/arm/configs/bcmrpi_defconfig‎

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@@ -435,6 +435,10 @@ CONFIG_MTD_SPI_NOR=m
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CONFIG_MTD_UBI=m
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CONFIG_OF_CONFIGFS=y
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CONFIG_ZRAM=m
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CONFIG_ZRAM_BACKEND_LZ4=y
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CONFIG_ZRAM_BACKEND_ZSTD=y
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CONFIG_ZRAM_BACKEND_LZO=y
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CONFIG_ZRAM_DEF_COMP_ZSTD=y
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CONFIG_ZRAM_WRITEBACK=y
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CONFIG_ZRAM_MULTI_COMP=y
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CONFIG_BLK_DEV_LOOP=y

‎arch/arm64/configs/bcm2711_defconfig‎

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@@ -473,6 +473,10 @@ CONFIG_MTD_SPI_NOR=m
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CONFIG_MTD_UBI=m
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CONFIG_OF_CONFIGFS=y
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CONFIG_ZRAM=m
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CONFIG_ZRAM_BACKEND_LZ4=y
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CONFIG_ZRAM_BACKEND_ZSTD=y
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CONFIG_ZRAM_BACKEND_LZO=y
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CONFIG_ZRAM_DEF_COMP_ZSTD=y
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CONFIG_ZRAM_WRITEBACK=y
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CONFIG_ZRAM_MULTI_COMP=y
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CONFIG_BLK_DEV_LOOP=y

‎arch/arm64/configs/bcm2712_defconfig‎

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@@ -476,6 +476,10 @@ CONFIG_MTD_SPI_NOR=m
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CONFIG_MTD_UBI=m
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CONFIG_OF_CONFIGFS=y
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CONFIG_ZRAM=m
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CONFIG_ZRAM_BACKEND_LZ4=y
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CONFIG_ZRAM_BACKEND_ZSTD=y
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CONFIG_ZRAM_BACKEND_LZO=y
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CONFIG_ZRAM_DEF_COMP_ZSTD=y
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CONFIG_ZRAM_WRITEBACK=y
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CONFIG_ZRAM_MULTI_COMP=y
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CONFIG_BLK_DEV_LOOP=y

‎arch/arm64/configs/bcmrpi3_defconfig‎

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@@ -447,6 +447,10 @@ CONFIG_MTD_SPI_NAND=m
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CONFIG_MTD_UBI=m
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CONFIG_OF_CONFIGFS=y
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CONFIG_ZRAM=m
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CONFIG_ZRAM_BACKEND_LZ4=y
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CONFIG_ZRAM_BACKEND_ZSTD=y
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CONFIG_ZRAM_BACKEND_LZO=y
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CONFIG_ZRAM_DEF_COMP_ZSTD=y
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CONFIG_ZRAM_WRITEBACK=y
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CONFIG_ZRAM_MULTI_COMP=y
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CONFIG_BLK_DEV_LOOP=y

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