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authorLinus Torvalds <torvalds@linux-foundation.org>2008-09-09 19:27:49 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-09-09 19:27:49 -0400
commitadee14b2e1557d0a8559f29681732d05a89dfc35 (patch)
treec4540211d0cef9c88d96f30f89ac4b9c1a570683 /arch/sh/lib64/c-checksum.c
parent91cd99f677ada2af90b06cb1f59e99f27ade5740 (diff)
Linux 2.6.27-rc6v2.6.27-rc6
Diffstat (limited to 'arch/sh/lib64/c-checksum.c')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-01 16:26:38 -0400
t of the kernel, on those architectures that support this. However, not compressing the initramfs may lead to slightly higher memory consumption during a short time at boot, while both the cpio image and the unpacked filesystem image will be present in memory simultaneously config INITRAMFS_COMPRESSION_GZIP bool "Gzip" depends on RD_GZIP help The old and tried gzip compression. It provides a good balance between compression ratio and decompression speed. config INITRAMFS_COMPRESSION_BZIP2 bool "Bzip2" depends on RD_BZIP2 help Its compression ratio and speed is intermediate. Decompression speed is slowest among the four. The initramfs size is about 10% smaller with bzip2, in comparison to gzip. Bzip2 uses a large amount of memory. For modern kernels you will need at least 8MB RAM or more for booting. config INITRAMFS_COMPRESSION_LZMA bool "LZMA" depends on RD_LZMA help The most recent compression algorithm. Its ratio is best, decompression speed is between the other three. Compression is slowest. The initramfs size is about 33% smaller with LZMA in comparison to gzip. config INITRAMFS_COMPRESSION_XZ bool "XZ" depends on RD_XZ help XZ uses the LZMA2 algorithm. The initramfs size is about 30% smaller with XZ in comparison to gzip. Decompression speed is better than that of bzip2 but worse than gzip and LZO. Compression is slow. config INITRAMFS_COMPRESSION_LZO bool "LZO" depends on RD_LZO help Its compression ratio is the poorest among the four. The kernel size is about 10% bigger than gzip; however its speed (both compression and decompression) is the fastest. endchoice
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-01 16:26:37 -0400