linux-kernel - Re: linux-next: build warning in the origin tree

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Message-ID: <CAMuHMdXqDHxyup0xiZDuOieqnOZ_eA6FjaW3fDJ+VorUKars-Q@mail.gmail.com>
Date:	Wed, 1 Jul 2015 15:31:20 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux-Next <linux-next@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning in the origin tree

On Tue, Jun 30, 2015 at 4:01 PM, Christoph Lameter <cl@...ux.com> wrote:
> On Tue, 30 Jun 2015, Stephen Rothwell wrote:
>> WARNING: mm/built-in.o(.text.unlikely+0xc22): Section mismatch in reference from the function .new_kmalloc_cache() to the variable .init.rodata:kmalloc_info
>> The function .new_kmalloc_cache() references
>> the variable __initconst kmalloc_info.
>> This is often because .new_kmalloc_cache lacks a __initconst
>> annotation or the annotation of kmalloc_info is wrong.
>>
>> Caused by commit a9730fca9946 ("Fix kmalloc slab creation sequence").
>
>
> Subject: Add __init attribute to new_kmalloc_cache
>
> Signed-off-by: Christoph Lameter <cl@...ux.com>

Tested-by: Geert Uytterhoeven <geert@...ux-m68k.org>

>
> Index: linux/mm/slab_common.c
> ===================================================================
> --- linux.orig/mm/slab_common.c
> +++ linux/mm/slab_common.c
> @@ -855,7 +855,7 @@ void __init setup_kmalloc_cache_index_ta
>         }
>  }
>
> -static void new_kmalloc_cache(int idx, unsigned long flags)
> +static void __init new_kmalloc_cache(int idx, unsigned long flags)
>  {
>         kmalloc_caches[idx] = create_kmalloc_cache(kmalloc_info[idx].name,
>                                         kmalloc_info[idx].size, flags);

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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