[PATCH v2 0/3] ARM ZSTD boot compression

[Andreas Kemnade]

On Fri, 28 Aug 2026 22:32:18 +0200
Andreas Kemnade <andreas at kemnade.info> wrote:

> Add ZSTD compression to still have a quite high compression but with
> not too much boot delay penality. 
> 
> Signed-off-by: Andreas Kemnade <andreas at kemnade.info>

Anything left for me to do here?

Regards,
Andreas
> ---
> Changes in v2:
> - rebased
> - practically rewritten 3/3 (and therefore changed author)
> - added more measurements
> - Link to v1: https://lore.kernel.org/lkml/ZDoDYh01GYjdwp63@probook/
> 
> To: Russell King <linux at armlinux.org.uk>
> To: Nick Terrell <terrelln at fb.com>
> To: David Sterba <dsterba at suse.com>
> To: Nathan Chancellor <nathan at kernel.org>
> To: Nick Desaulniers <ndesaulniers at google.com>
> To: Bill Wendling <morbo at google.com>
> To: Justin Stitt <justinstitt at google.com>
> Cc: j.neuschaefer at gmx.net
> Cc: f.fainelli at gmail.com
> Cc: Linus Walleij <linus.walleij at linaro.org>
> Cc: Tony Lindgren <tony at atomide.com>
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> 
> ---
> Andreas Kemnade (1):
>       ARM: compressed: Enable ZSTD compression
> 
> Jonathan Neuschäfer (2):
>       ARM: compressed: Pass the actual output length to the decompressor
>       ARM: compressed: Bump MALLOC_SIZE to 128 KiB
> 
>  arch/arm/Kconfig                      |  1 +
>  arch/arm/boot/compressed/Makefile     |  3 ++-
>  arch/arm/boot/compressed/decompress.c | 15 ++++++++++++---
>  arch/arm/boot/compressed/head.S       |  4 ++--
>  arch/arm/boot/compressed/misc.c       | 10 +++++++++-
>  arch/arm/boot/compressed/misc.h       |  3 ++-
>  6 files changed, 28 insertions(+), 8 deletions(-)
> ---
> base-commit: 8d3ae59288f1e7d58d76558a6ee96d533bc5019f
> change-id: 20260828-zstd2-045ce924f624
> 
> Best regards,
> --  
> Andreas Kemnade <andreas at kemnade.info>
> 
>