diff options
| author | Michal Marek <mmarek@suse.cz> | 2011-03-09 10:15:44 -0500 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2011-03-09 10:15:44 -0500 |
| commit | 2d8ad8719591fa803b0d589ed057fa46f49b7155 (patch) | |
| tree | 4ae051577dad1161c91dafbf4207bb10a9dc91bb /usr/Kconfig | |
| parent | 9b4ce7bce5f30712fd926ab4599a803314a07719 (diff) | |
| parent | c56eb8fb6dccb83d9fe62fd4dc00c834de9bc470 (diff) | |
Merge commit 'v2.6.38-rc1' into kbuild/packaging
Diffstat (limited to 'usr/Kconfig')
| -rw-r--r-- | usr/Kconfig | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/usr/Kconfig b/usr/Kconfig index e2721f5a3504..4780deac5974 100644 --- a/usr/Kconfig +++ b/usr/Kconfig | |||
| @@ -72,6 +72,15 @@ config RD_LZMA | |||
| 72 | Support loading of a LZMA encoded initial ramdisk or cpio buffer | 72 | Support loading of a LZMA encoded initial ramdisk or cpio buffer |
| 73 | If unsure, say N. | 73 | If unsure, say N. |
| 74 | 74 | ||
| 75 | config RD_XZ | ||
| 76 | bool "Support initial ramdisks compressed using XZ" if EMBEDDED | ||
| 77 | default !EMBEDDED | ||
| 78 | depends on BLK_DEV_INITRD | ||
| 79 | select DECOMPRESS_XZ | ||
| 80 | help | ||
| 81 | Support loading of a XZ encoded initial ramdisk or cpio buffer. | ||
| 82 | If unsure, say N. | ||
| 83 | |||
| 75 | config RD_LZO | 84 | config RD_LZO |
| 76 | bool "Support initial ramdisks compressed using LZO" if EMBEDDED | 85 | bool "Support initial ramdisks compressed using LZO" if EMBEDDED |
| 77 | default !EMBEDDED | 86 | default !EMBEDDED |
| @@ -139,12 +148,21 @@ config INITRAMFS_COMPRESSION_LZMA | |||
| 139 | three. Compression is slowest. The initramfs size is about 33% | 148 | three. Compression is slowest. The initramfs size is about 33% |
| 140 | smaller with LZMA in comparison to gzip. | 149 | smaller with LZMA in comparison to gzip. |
| 141 | 150 | ||
| 151 | config INITRAMFS_COMPRESSION_XZ | ||
| 152 | bool "XZ" | ||
| 153 | depends on RD_XZ | ||
| 154 | help | ||
| 155 | XZ uses the LZMA2 algorithm. The initramfs size is about 30% | ||
| 156 | smaller with XZ in comparison to gzip. Decompression speed | ||
| 157 | is better than that of bzip2 but worse than gzip and LZO. | ||
| 158 | Compression is slow. | ||
| 159 | |||
| 142 | config INITRAMFS_COMPRESSION_LZO | 160 | config INITRAMFS_COMPRESSION_LZO |
| 143 | bool "LZO" | 161 | bool "LZO" |
| 144 | depends on RD_LZO | 162 | depends on RD_LZO |
| 145 | help | 163 | help |
| 146 | Its compression ratio is the poorest among the four. The kernel | 164 | Its compression ratio is the poorest among the four. The kernel |
| 147 | size is about about 10% bigger than gzip; however its speed | 165 | size is about 10% bigger than gzip; however its speed |
| 148 | (both compression and decompression) is the fastest. | 166 | (both compression and decompression) is the fastest. |
| 149 | 167 | ||
| 150 | endchoice | 168 | endchoice |