diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/config/Config.in.kernel | 18 | ||||
| -rw-r--r-- | target/linux/patches/3.15.2/lz4.patch | 16 |
2 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/config/Config.in.kernel b/target/linux/config/Config.in.kernel index 1999b2055..348498936 100644 --- a/target/linux/config/Config.in.kernel +++ b/target/linux/config/Config.in.kernel @@ -17,6 +17,10 @@ config ADK_KERNEL_INITRAMFS_COMPRESSION_XZ select ADK_HOST_NEED_XZ boolean +config ADK_KERNEL_INITRAMFS_COMPRESSION_LZ4 + select ADK_HOST_NEED_LZ4 + boolean + config ADK_KERNEL_INITRAMFS_COMPRESSION_LZMA select ADK_HOST_NEED_LZMA boolean @@ -44,6 +48,12 @@ config ADK_KERNEL_RD_BZIP2 config ADK_KERNEL_KERNEL_BZIP2 boolean +config ADK_KERNEL_RD_LZ4 + boolean + +config ADK_KERNEL_KERNEL_LZ4 + boolean + config ADK_KERNEL_RD_LZMA boolean @@ -137,6 +147,14 @@ config ADK_KERNEL_COMP_XZ select ADK_KERNEL_KERNEL_XZ select ADK_KERNEL_INITRAMFS_COMPRESSION_XZ +config ADK_KERNEL_COMP_LZ4 + prompt "use LZ4 compression" + boolean + select ADK_KERNEL_RD_LZ4 + select ADK_KERNEL_KERNEL_LZ4 + select ADK_KERNEL_INITRAMFS_COMPRESSION_LZ4 + depends on ADK_LINUX_X86 || ADK_LINUX_ARM + config ADK_KERNEL_COMP_LZMA prompt "use LZMA compression" boolean diff --git a/target/linux/patches/3.15.2/lz4.patch b/target/linux/patches/3.15.2/lz4.patch new file mode 100644 index 000000000..3106015ab --- /dev/null +++ b/target/linux/patches/3.15.2/lz4.patch @@ -0,0 +1,16 @@ +diff -Nur linux-3.15.2.orig/usr/Kconfig linux-3.15.2/usr/Kconfig +--- linux-3.15.2.orig/usr/Kconfig 2014-06-26 21:17:52.000000000 +0200 ++++ linux-3.15.2/usr/Kconfig 2014-06-30 08:29:00.000000000 +0200 +@@ -174,4 +174,12 @@ + size is about 10% bigger than gzip; however its speed + (both compression and decompression) is the fastest. + ++config INITRAMFS_COMPRESSION_LZ4 ++ bool "LZ4" ++ depends on RD_LZ4 ++ help ++ 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. ++ + endchoice |