linux-kernel - Re: [PATCH][2.6.24-rc2-mm1] memory hotplug x86_64 fix [2/3] fix section mismatch in vmammap_allock

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Message-Id: <20071115165330.9448eab6.akpm@linux-foundation.org>
Date:	Thu, 15 Nov 2007 16:53:30 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	kamezawa.hiroyu@...fujitsu.com, linux-kernel@...r.kernel.org,
	apw@...dowen.org, kamalesh@...ux.vnet.ibm.com
Subject: Re: [PATCH][2.6.24-rc2-mm1] memory hotplug x86_64 fix [2/3] fix
 section mismatch in vmammap_allock_block

On Thu, 15 Nov 2007 19:35:44 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:

> Fixes section mismatch below.
> 
> WARNING: vmlinux.o(.text+0x946b5): Section mismatch: reference to .init.text:'
> __alloc_bootmem_node (between 'vmemmap_alloc_block' and 'vmemmap_pgd_populate')
> 
> Changelog
>  - changed bootmem alloc wrapper function's name to be
> 	__earlyonly_bootmem_alloc().
> 
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> 
> 
>  mm/sparse-vmemmap.c |   12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> Index: linux-2.6.24-rc2-mm1/mm/sparse-vmemmap.c
> ===================================================================
> --- linux-2.6.24-rc2-mm1.orig/mm/sparse-vmemmap.c
> +++ linux-2.6.24-rc2-mm1/mm/sparse-vmemmap.c
> @@ -34,6 +34,16 @@
>   * or to back the page tables that are used to create the mapping.
>   * Uses the main allocators if they are available, else bootmem.
>   */
> +
> +static void * __init_refok __earlyonly_bootmem_alloc(int node,
> +				unsigned long size,
> +				unsigned long align,
> +				unsigned long goal)
> +{
> +	return __alloc_bootmem_node(NODE_DATA(node), size, align, goal);
> +}
> +
> +
>  void * __meminit vmemmap_alloc_block(unsigned long size, int node)
>  {
>  	/* If the main allocator is up use that, fallback to bootmem. */
> @@ -44,7 +54,7 @@ void * __meminit vmemmap_alloc_block(uns
>  			return page_address(page);
>  		return NULL;
>  	} else
> -		return __alloc_bootmem_node(NODE_DATA(node), size, size,
> +		return __earlyonly_bootmem_alloc(node, size, size,
>  				__pa(MAX_DMA_ADDRESS));
>  }
>  

AFACIT this is applicable to mainline?

-
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