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authorJens Axboe <jens.axboe@oracle.com>2010-02-22 13:48:51 +0100
committerJens Axboe <jens.axboe@oracle.com>2010-02-22 13:48:51 +0100
commitf11cbd74c5ff3614f6390b4de67a6ffdc614c378 (patch)
tree6a30920ade9eeaac5bf6d6263b5d09712e882eb0 /init
parent429c42c9d246f5bda868495c09974312a0177328 (diff)
parentaea187c46f7d03ce985e55eb1398d0776a15b928 (diff)
downloadop-kernel-dev-f11cbd74c5ff3614f6390b4de67a6ffdc614c378.zip
op-kernel-dev-f11cbd74c5ff3614f6390b4de67a6ffdc614c378.tar.gz
Merge branch 'master' into for-2.6.34
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig18
-rw-r--r--init/main.c2
2 files changed, 15 insertions, 5 deletions
diff --git a/init/Kconfig b/init/Kconfig
index a23da9f..d95ca7c 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -115,10 +115,13 @@ config HAVE_KERNEL_BZIP2
config HAVE_KERNEL_LZMA
bool
+config HAVE_KERNEL_LZO
+ bool
+
choice
prompt "Kernel compression mode"
default KERNEL_GZIP
- depends on HAVE_KERNEL_GZIP || HAVE_KERNEL_BZIP2 || HAVE_KERNEL_LZMA
+ depends on HAVE_KERNEL_GZIP || HAVE_KERNEL_BZIP2 || HAVE_KERNEL_LZMA || HAVE_KERNEL_LZO
help
The linux kernel is a kind of self-extracting executable.
Several compression algorithms are available, which differ
@@ -141,9 +144,8 @@ config KERNEL_GZIP
bool "Gzip"
depends on HAVE_KERNEL_GZIP
help
- The old and tried gzip compression. Its compression ratio is
- the poorest among the 3 choices; however its speed (both
- compression and decompression) is the fastest.
+ The old and tried gzip compression. It provides a good balance
+ between compression ratio and decompression speed.
config KERNEL_BZIP2
bool "Bzip2"
@@ -164,6 +166,14 @@ config KERNEL_LZMA
two. Compression is slowest. The kernel size is about 33%
smaller with LZMA in comparison to gzip.
+config KERNEL_LZO
+ bool "LZO"
+ depends on HAVE_KERNEL_LZO
+ help
+ Its compression ratio is the poorest among the 4. The kernel
+ size is about about 10% bigger than gzip; however its speed
+ (both compression and decompression) is the fastest.
+
endchoice
config SWAP
diff --git a/init/main.c b/init/main.c
index dac44a9..4cb47a1 100644
--- a/init/main.c
+++ b/init/main.c
@@ -657,9 +657,9 @@ asmlinkage void __init start_kernel(void)
proc_caches_init();
buffer_init();
key_init();
+ radix_tree_init();
security_init();
vfs_caches_init(totalram_pages);
- radix_tree_init();
signals_init();
/* rootfs populating might need page-writeback */
page_writeback_init();
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