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From: Mukesh Pilaniya <mpilaniy@redhat.com>
To: Andreas Kemnade <andreas@kemnade.info>,
	kexec@lists.infradead.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Baoquan He <baoquan.he@linux.dev>,
	Mike Rapoport <rppt@kernel.org>,
	Pasha Tatashin <pasha.tatashin@soleen.com>,
	Pratyush Yadav <pratyush@kernel.org>,
	Simon Horman <horms@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>, j.neuschaefer@gmx.net
Subject: Re: [PATCH kexec-tools] arm-zImage: prepare for more malloc requirements of zstd
Date: Mon, 31 Aug 2026 15:29:23 +0530	[thread overview]
Message-ID: <ac2029c5-1069-4e8b-9b09-29150f133055@redhat.com> (raw)
In-Reply-To: <20260829094607.689485-1-andreas@kemnade.info>

Hi Andreas,

On 29/08/26 3:16 pm, Andreas Kemnade wrote:
> As there are plans for zstd in zImage for ARM, which requires more malloc
> size fo, decompression, increase the space.
> 
_size fo_ looks like a truncated _size for_ .

The high-level changes look good to me. Feel free to add:
Acked-by: Mukesh Pilaniya <mpilaniy@redhat.com>

> References:
> https://lore.kernel.org/lkml/ZFDMRst2O+RJUYuu@shell.armlinux.org.uk/#t
> https://lore.kernel.org/lkml/20260828-zstd2-v2-0-4d9ce7150877@kemnade.info/
> 
> Suggested-by: Russell King (Oracle) <linux@armlinux.org.uk>
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
> ---
>  kexec/arch/arm/kexec-zImage-arm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kexec/arch/arm/kexec-zImage-arm.c b/kexec/arch/arm/kexec-zImage-arm.c
> index 8b474dd..97db7f3 100644
> --- a/kexec/arch/arm/kexec-zImage-arm.c
> +++ b/kexec/arch/arm/kexec-zImage-arm.c
> @@ -663,9 +663,9 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len,
>  
>  	/*
>  	 * The zImage length does not include its stack (4k) or its
> -	 * malloc space (64k).  Include this.
> +	 * malloc space (128k).  Include this.
>  	 */
> -	len += 0x11000;
> +	len += 0x21000;
>  
>  	dbgprintf("zImage requires 0x%08llx bytes\n", (unsigned long long)len);
>  

-- 
Regards,
Mukesh Pilaniya



  reply	other threads:[~2026-08-31  9:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-29  9:46 [PATCH kexec-tools] arm-zImage: prepare for more malloc requirements of zstd Andreas Kemnade
2026-08-31  9:59 ` Mukesh Pilaniya [this message]
2026-08-31 10:31 ` Russell King

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