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Merge branch 'bzip2-lzma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip

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* 'bzip2-lzma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip:
  bzip2/lzma: don't ask for compression mode for the default initramfs
  bzip2/lzma: consistently capitalize LZMA in Kconfig
  bzip2/lzma: clarify the meaning of the CONFIG_RD_ options
  bzip2/lzma: move CONFIG_RD_* options under CONFIG_EMBEDDED
This commit is contained in:
Linus Torvalds 2009-03-29 13:05:41 -07:00
commit 0d34fb8e93
1 changed files with 32 additions and 20 deletions
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52
usr/Kconfig
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@ -46,49 +46,50 @@ config INITRAMFS_ROOT_GID
If you are not sure, leave it set to "0".
config RD_GZIP
bool "Initial ramdisk compressed using gzip"
bool "Support initial ramdisks compressed using gzip" if EMBEDDED
default y
depends on BLK_DEV_INITRD=y
depends on BLK_DEV_INITRD
select DECOMPRESS_GZIP
help
Support loading of a gzip encoded initial ramdisk or cpio buffer.
If unsure, say Y.
config RD_BZIP2
bool "Initial ramdisk compressed using bzip2"
default n
depends on BLK_DEV_INITRD=y
bool "Support initial ramdisks compressed using bzip2" if EMBEDDED
default !EMBEDDED
depends on BLK_DEV_INITRD
select DECOMPRESS_BZIP2
help
Support loading of a bzip2 encoded initial ramdisk or cpio buffer
If unsure, say N.
config RD_LZMA
bool "Initial ramdisk compressed using lzma"
default n
depends on BLK_DEV_INITRD=y
bool "Support initial ramdisks compressed using LZMA" if EMBEDDED
default !EMBEDDED
depends on BLK_DEV_INITRD
select DECOMPRESS_LZMA
help
Support loading of a lzma encoded initial ramdisk or cpio buffer
Support loading of a LZMA encoded initial ramdisk or cpio buffer
If unsure, say N.
if INITRAMFS_SOURCE!=""
choice
prompt "Built-in initramfs compression mode"
help
This setting is only meaningful if the INITRAMFS_SOURCE is
set. It decides by which algorithm the INITRAMFS_SOURCE will
be compressed.
Several compression algorithms are available, which differ
in efficiency, compression and decompression speed.
Compression speed is only relevant when building a kernel.
Decompression speed is relevant at each boot.
This option decides by which algorithm the builtin initramfs
will be compressed. Several compression algorithms are
available, which differ in efficiency, compression and
decompression speed. Compression speed is only relevant
when building a kernel. Decompression speed is relevant at
each boot.
If you have any problems with bzip2 or lzma compressed
If you have any problems with bzip2 or LZMA compressed
initramfs, mail me (Alain Knaff) <alain@knaff.lu>.
High compression options are mostly useful for users who
are low on disk space (embedded systems), but for whom ram
size matters less.
High compression options are mostly useful for users who are
low on RAM, since it reduces the memory consumption during
boot.
If in doubt, select 'gzip'
@ -133,3 +134,14 @@ config INITRAMFS_COMPRESSION_LZMA
smaller with LZMA in comparison to gzip.
endchoice
endif
if INITRAMFS_SOURCE=""
# The builtin initramfs is so small so we don't want to bug the user...
config INITRAMFS_COMPRESSION_NONE
bool
default y
endif