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kconfig: update compression algorithm info

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There have been new compression algorithms added without updating nearby
relevant descriptive text that refers to (a) the number of compression
algorithms and (b) the most recent one.  Fix these inconsistencies.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Reported-by: <qasdfgtyuiop@gmail.com>
Cc: Lasse Collin <lasse.collin@tukaani.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Alain Knaff <alain@knaff.lu>
Cc: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Randy Dunlap 2012-05-31 16:26:46 -07:00 committed by Linus Torvalds
parent b32dfe3771
commit 0a4dd35c67
2 changed files with 10 additions and 11 deletions
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11
init/Kconfig
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@ -167,7 +167,7 @@ config KERNEL_BZIP2
depends on HAVE_KERNEL_BZIP2
help
Its compression ratio and speed is intermediate.
Decompression speed is slowest among the three. The kernel
Decompression speed is slowest among the choices. The kernel
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.
@ -176,10 +176,9 @@ config KERNEL_LZMA
bool "LZMA"
depends on HAVE_KERNEL_LZMA
help
The most recent compression algorithm.
Its ratio is best, decompression speed is between the other
two. Compression is slowest. The kernel size is about 33%
smaller with LZMA in comparison to gzip.
This compression algorithm's ratio is best. Decompression speed
is between gzip and bzip2. Compression is slowest.
The kernel size is about 33% smaller with LZMA in comparison to gzip.
config KERNEL_XZ
bool "XZ"
@ -200,7 +199,7 @@ config KERNEL_LZO
bool "LZO"
depends on HAVE_KERNEL_LZO
help
Its compression ratio is the poorest among the 4. The kernel
Its compression ratio is the poorest among the choices. The kernel
size is about 10% bigger than gzip; however its speed
(both compression and decompression) is the fastest.

10
usr/Kconfig
View File

@ -134,7 +134,7 @@ config INITRAMFS_COMPRESSION_BZIP2
depends on RD_BZIP2
help
Its compression ratio and speed is intermediate.
Decompression speed is slowest among the four. The initramfs
Decompression speed is slowest among the choices. 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.
@ -143,9 +143,9 @@ 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%
This algorithm's compression ratio is best.
Decompression speed is between the other choices.
Compression is slowest. The initramfs size is about 33%
smaller with LZMA in comparison to gzip.
config INITRAMFS_COMPRESSION_XZ
@ -161,7 +161,7 @@ config INITRAMFS_COMPRESSION_LZO
bool "LZO"
depends on RD_LZO
help
Its compression ratio is the poorest among the four. The kernel
Its compression ratio is the poorest among the choices. The kernel
size is about 10% bigger than gzip; however its speed
(both compression and decompression) is the fastest.