From: Andreas Kemnade <andreas@kemnade.info>
To: Russell King <linux@armlinux.org.uk>,
Nick Terrell <terrelln@fb.com>, David Sterba <dsterba@suse.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>
Cc: Andreas Kemnade <andreas@kemnade.info>,
j.neuschaefer@gmx.net, f.fainelli@gmail.com,
Tony Lindgren <tony@atomide.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Linus Walleij <linusw@kernel.org>
Subject: [PATCH v2 2/3] ARM: compressed: Bump MALLOC_SIZE to 128 KiB
Date: Fri, 28 Aug 2026 22:32:20 +0200 [thread overview]
Message-ID: <20260828-zstd2-v2-2-4d9ce7150877@kemnade.info> (raw)
In-Reply-To: <20260828-zstd2-v2-0-4d9ce7150877@kemnade.info>
From: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
The ZSTD compressor needs about 100 KiB.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
arch/arm/boot/compressed/Makefile | 2 +-
arch/arm/boot/compressed/head.S | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index e3f550d628578..fa6ee23cd72eb 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -62,7 +62,7 @@ ZTEXTADDR := 0
ZBSSADDR := ALIGN(8)
endif
-MALLOC_SIZE := 65536
+MALLOC_SIZE := 131072
AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET) -DMALLOC_SIZE=$(MALLOC_SIZE)
CPPFLAGS_vmlinux.lds := -DTEXT_START="$(ZTEXTADDR)" -DBSS_START="$(ZBSSADDR)"
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 9f406e9c0ea6f..23fbbe94da6e8 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -337,7 +337,7 @@ restart: adr r0, LC1
get_inflated_image_size r9, r10, lr
#ifndef CONFIG_ZBOOT_ROM
- /* malloc space is above the relocated stack (64k max) */
+ /* malloc space is above the relocated stack (128k max) */
add r10, sp, #MALLOC_SIZE
#else
/*
@@ -629,7 +629,7 @@ not_relocated: mov r0, #0
*/
mov r0, r4
mov r1, sp @ malloc space above stack
- add r2, sp, #MALLOC_SIZE @ 64k max
+ add r2, sp, #MALLOC_SIZE @ 128k max
mov r3, r7
bl decompress_kernel
--
2.47.3
next prev parent reply other threads:[~2026-08-28 20:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-28 20:32 [PATCH v2 0/3] ARM ZSTD boot compression Andreas Kemnade
2026-08-28 20:32 ` [PATCH v2 1/3] ARM: compressed: Pass the actual output length to the decompressor Andreas Kemnade
2026-08-28 20:32 ` Andreas Kemnade [this message]
2026-08-28 20:32 ` [PATCH v2 3/3] ARM: compressed: Enable ZSTD compression Andreas Kemnade
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