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Date: Wed, 19 Mar 2025 00:22:28 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: marc.herbert@linux.intel.com
Cc: Muchun Song <muchun.song@linux.dev>, linux-mm@kvack.org,
 linux-kernel@vger.kernel.org, Marc Herbert <Marc.Herbert@linux.intel.com>
Subject: Re: [PATCH] mm/hugetlb: move hugetlb_sysctl_init() to the __init
 section
Message-Id: <20250319002228.44e220b1ffadb4cc994ad4cf@linux-foundation.org>
In-Reply-To: <20250319060041.2737320-1-marc.herbert@linux.intel.com>
References: <20250319060041.2737320-1-marc.herbert@linux.intel.com>
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On Wed, 19 Mar 2025 06:00:30 +0000 marc.herbert@linux.intel.com wrote:

> From: Marc Herbert <Marc.Herbert@linux.intel.com>
> 
> hugetlb_sysctl_init() is only invoked once by an __init function and is
> merely a wrapper around another __init function so there is not reason
> to keep it.
> 
> Fixes the following warning when toning down some GCC inline options:
> 
>  WARNING: modpost: vmlinux: section mismatch in reference:
>    hugetlb_sysctl_init+0x1b (section: .text) ->
>      __register_sysctl_init (section: .init.text)
> 

Huh.  I wonder why this just started happening.