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

From: Kirill A. Shutemov
Date: Mon Nov 18 2013 - 03:50:07 EST


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@xxxxxxxxxxxxxxxx>
> Date: Mon, 18 Nov 2013 14:16:40 +1100
> Subject: [PATCH] sparc64: merge fix
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

> ---
> 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@xxxxxxxxxxxxxxxx

--
Kirill A. Shutemov
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