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

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Message-ID: <9ff49261-f5fd-b8dd-949a-0b8eab75369b@infradead.org>
Date:   Thu, 23 Jul 2020 13:30:26 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Nick Terrell <nickrterrell@...il.com>,
        Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, Chris Mason <clm@...com>,
        linux-kbuild@...r.kernel.org, x86@...nel.org,
        gregkh@...uxfoundation.org, Petr Malat <oss@...at.biz>,
        Kees Cook <keescook@...omium.org>,
        Kernel Team <Kernel-team@...com>,
        Adam Borowski <kilobyte@...band.pl>,
        Patrick Williams <patrickw3@...com>, rmikey@...com,
        mingo@...nel.org, Patrick Williams <patrick@...cx.xyz>,
        Sedat Dilek <sedat.dilek@...il.com>,
        Norbert Lange <nolange79@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alex Xu <alex_y_xu@...oo.ca>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        Nick Terrell <terrelln@...com>
Subject: Re: [PATCH v8 3/7] init: add support for zstd compressed kernel

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

-- 
~Randy