[PATCH v2 0/3] ARM ZSTD boot compression
Andreas Kemnade
andreas at kemnade.info
Fri Aug 28 13:32:18 PDT 2026
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>
---
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>
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