diff options
Diffstat (limited to 'drivers/block/zram/Kconfig')
| -rw-r--r-- | drivers/block/zram/Kconfig | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/drivers/block/zram/Kconfig b/drivers/block/zram/Kconfig index fe7a4b7d30cf..668c6bf2554d 100644 --- a/drivers/block/zram/Kconfig +++ b/drivers/block/zram/Kconfig @@ -2,7 +2,7 @@ config ZRAM tristate "Compressed RAM block device support" depends on BLOCK && SYSFS && ZSMALLOC && CRYPTO - select CRYPTO_LZO + depends on CRYPTO_LZO || CRYPTO_ZSTD || CRYPTO_LZ4 || CRYPTO_LZ4HC || CRYPTO_842 help Creates virtual block devices called /dev/zramX (X = 0, 1, ...). Pages written to these disks are compressed and stored in memory @@ -14,6 +14,46 @@ config ZRAM See Documentation/admin-guide/blockdev/zram.rst for more information. +choice + prompt "Default zram compressor" + default ZRAM_DEF_COMP_LZORLE + depends on ZRAM + +config ZRAM_DEF_COMP_LZORLE + bool "lzo-rle" + depends on CRYPTO_LZO + +config ZRAM_DEF_COMP_ZSTD + bool "zstd" + depends on CRYPTO_ZSTD + +config ZRAM_DEF_COMP_LZ4 + bool "lz4" + depends on CRYPTO_LZ4 + +config ZRAM_DEF_COMP_LZO + bool "lzo" + depends on CRYPTO_LZO + +config ZRAM_DEF_COMP_LZ4HC + bool "lz4hc" + depends on CRYPTO_LZ4HC + +config ZRAM_DEF_COMP_842 + bool "842" + depends on CRYPTO_842 + +endchoice + +config ZRAM_DEF_COMP + string + default "lzo-rle" if ZRAM_DEF_COMP_LZORLE + default "zstd" if ZRAM_DEF_COMP_ZSTD + default "lz4" if ZRAM_DEF_COMP_LZ4 + default "lzo" if ZRAM_DEF_COMP_LZO + default "lz4hc" if ZRAM_DEF_COMP_LZ4HC + default "842" if ZRAM_DEF_COMP_842 + config ZRAM_WRITEBACK bool "Write back incompressible or idle page to backing device" depends on ZRAM |