Re: [PATCH v8 3/7] init: add support for zstd compressed kernel

Randy Dunlap
2020-07-24T14:09:42Z

On 7/24/20 5:17 AM, Ingo Molnar wrote:
>
> * Randy Dunlap <rdunlap@infradead.org> wrote:
>
>> On 7/23/20 12:27 PM, Nick Terrell wrote:
>>> +config KERNEL_ZSTD
>>> + bool "ZSTD"
>>> + depends on HAVE_KERNEL_ZSTD
>>> + help
>>> + ZSTD is a compression algorithm targeting intermediate compression
>>> + with fast decompression speed. It will compress better than GZIP and
>>> + decompress around the same speed as LZO, but slower than LZ4. You
>>> + will need at least 192 KB RAM or more for booting. The zstd command
>>> + line tools is required for compression.
>>
>> tools are required
>
> Since 'zstd' is the singular tool required for compression AFAICS:
>
> LZ4 = lz4c
> XZ = xz
> +ZSTD = zstd
>
> "The zstd command line tool is required for compression" is the
> intended wording I'd say?

Sure, that works.
Thanks.

--
~Randy