Obsoleted by XZ. The config option for compressing the kernel stays, as some archs have a bootloader outside the kernel that wants LZMA. Signed-off-by: Adam Borowski <kilobyte@xxxxxxxxxx> --- Makefile | 1 - usr/Kconfig | 28 ++-------------------------- 2 files changed, 2 insertions(+), 27 deletions(-) diff --git a/Makefile b/Makefile index c812467bfe11..97e4bf26a6d3 100644 --- a/Makefile +++ b/Makefile @@ -938,7 +938,6 @@ export mod_compress_cmd # This shall be used by the dracut(8) tool while creating an initramfs image. # INITRD_COMPRESS-y := gzip -INITRD_COMPRESS-$(CONFIG_RD_LZMA) := lzma INITRD_COMPRESS-$(CONFIG_RD_XZ) := xz INITRD_COMPRESS-$(CONFIG_RD_LZO) := lzo INITRD_COMPRESS-$(CONFIG_RD_LZ4) := lz4 diff --git a/usr/Kconfig b/usr/Kconfig index 05b6be569041..8d99edacabc9 100644 --- a/usr/Kconfig +++ b/usr/Kconfig @@ -61,15 +61,6 @@ config RD_GZIP Support loading of a gzip encoded initial ramdisk or cpio buffer. If unsure, say Y. -config RD_LZMA - bool "Support initial ramdisk/ramfs compressed using LZMA" - default y - depends on BLK_DEV_INITRD - select DECOMPRESS_LZMA - help - Support loading of a LZMA encoded initial ramdisk or cpio buffer - If unsure, say N. - config RD_XZ bool "Support initial ramdisk/ramfs compressed using XZ" depends on BLK_DEV_INITRD @@ -118,8 +109,8 @@ choice when building a kernel. Decompression speed is relevant at each boot. Also the memory usage during decompression may become relevant on memory constrained systems. This is usually based on the - dictionary size of the algorithm with algorithms like XZ and LZMA - featuring large dictionary sizes. + dictionary size of the algorithm with algorithms like XZ featuring + large dictionary sizes. High compression options are mostly useful for users who are low on RAM, since it reduces the memory consumption during @@ -152,19 +143,6 @@ config INITRAMFS_COMPRESSION_GZIP supported by your build system as the gzip tool is present by default on most distros. -config INITRAMFS_COMPRESSION_LZMA - bool "LZMA" - depends on RD_LZMA - help - This algorithm's compression ratio is best but has a large dictionary - size which might cause issues in memory constrained systems. - Decompression speed is between the other choices. Compression is - slowest. The initramfs size is about 33% smaller with LZMA in - comparison to gzip. - - If you choose this, keep in mind that you may need to install the xz - or lzma tools to be able to compress the initram. - config INITRAMFS_COMPRESSION_XZ bool "XZ" depends on RD_XZ @@ -219,7 +197,6 @@ config INITRAMFS_COMPRESSION string default "" if INITRAMFS_COMPRESSION_NONE default ".gz" if INITRAMFS_COMPRESSION_GZIP - default ".lzma" if INITRAMFS_COMPRESSION_LZMA default ".xz" if INITRAMFS_COMPRESSION_XZ default ".lzo" if INITRAMFS_COMPRESSION_LZO default ".lz4" if INITRAMFS_COMPRESSION_LZ4 @@ -228,6 +205,5 @@ config INITRAMFS_COMPRESSION default ".lz4" if RD_LZ4 default ".lzo" if RD_LZO default ".xz" if RD_XZ - default ".lzma" if RD_LZMA default ".zst" if RD_ZSTD default "" -- 2.19.1
