From: Herbert Xu <herbert@gondor.apana.org.au>
To: Can Peng <pengcan@kylinos.cn>
Cc: davem@davemloft.net, linux-crypto@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] crypto: fips: annotate fips_enable() with __init to free init memory after boot
Date: Fri, 19 Dec 2025 15:07:44 +0800 [thread overview]
Message-ID: <aUT5wK9AXAzFvIy3@gondor.apana.org.au> (raw)
In-Reply-To: <20251208095010.2712698-1-pengcan@kylinos.cn>
On Mon, Dec 08, 2025 at 05:50:10PM +0800, Can Peng wrote:
> The fips_enable() function is only invoked early during kernel boot via the
> __setup() macro ("fips=" command line parameter), and is never used again
> after initialization completes.
>
> Annotating it with __init places the function in the .init.text section,
> allowing the kernel to free its memory after init (when freeing_initmem()
> runs), reducing runtime memory footprint.
>
> This is a standard practice for setup/early-parse functions and has no
> functional impact — the parsing logic, return values, and fips mode
> setting behavior remain unchanged.
>
> Signed-off-by: Can Peng <pengcan@kylinos.cn>
> ---
> crypto/fips.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
prev parent reply other threads:[~2025-12-19 7:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-08 9:50 Can Peng
2025-12-19 7:07 ` Herbert Xu [this message]
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