linux-kernel - RE: linux-next: build failure after merge of the final tree

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Date:	Mon, 18 Nov 2013 10:49:41 +0200 (EET)
From:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: RE: linux-next: build failure after merge of the final tree

Stephen Rothwell wrote:
> Hi all,
> 
> After merging the final tree, today's linux-next build (sparc64 defconfig)
> failed like this:
> 
> arch/sparc/mm/init_64.c: In function 'pte_alloc_one':
> arch/sparc/mm/init_64.c:2568:9: error: unused variable 'pte' [-Werror=unused-variable]
> 
> Caused by the merge between commit 37b3a8ff3e08 ("sparc64: Move from 4MB
> to 8MB huge pages") and commit 1ae9ae5f7df7 ("sparc: handle
> pgtable_page_ctor() fail") (I had the following merge fix in linux-next,
> but it didn't seem to propagate upstream - may have forgotten to point it
> out :-().
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Mon, 18 Nov 2013 14:16:40 +1100
> Subject: [PATCH] sparc64: merge fix
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>

Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

> ---
>  arch/sparc/mm/init_64.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
> index 6b643790e4fe..5322e530d09c 100644
> --- a/arch/sparc/mm/init_64.c
> +++ b/arch/sparc/mm/init_64.c
> @@ -2565,8 +2565,6 @@ pgtable_t pte_alloc_one(struct mm_struct *mm,
>  {
>  	struct page *page = alloc_page(GFP_KERNEL | __GFP_NOTRACK |
>  				       __GFP_REPEAT | __GFP_ZERO);
> -	pte_t *pte = NULL;
> -
>  	if (!page)
>  		return NULL;
>  	if (!pgtable_page_ctor(page)) {
> -- 
> 1.8.4.3
> 
> -- 
> Cheers,
> Stephen Rothwell                    sfr@...b.auug.org.au

-- 
 Kirill A. Shutemov
--
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