linux-kernel - Re: linux-next: build failure after merge of the akpm-current tree

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Date:   Fri, 30 Aug 2019 14:28:47 +0000
From:   Jason Gunthorpe <jgg@...lanox.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
CC:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>,
        Minchan Kim <minchan@...nel.org>
Subject: Re: linux-next: build failure after merge of the akpm-current tree

On Fri, Aug 30, 2019 at 11:55:30PM +1000, Stephen Rothwell wrote:

> Caused by commit
> 
>   1c8999b3963d ("mm: introduce MADV_COLD")
> (and following commits)
> 
> interacting with commit
> 
>   923bfc561e75 ("pagewalk: separate function pointers from iterator data")
> 
> from the hmm tree.

Yes, this is expected thanks

> diff --git a/mm/madvise.c b/mm/madvise.c
> index 7ec7c8f6d5ab..20598df8360a 100644
> --- a/mm/madvise.c
> +++ b/mm/madvise.c
> @@ -446,6 +446,10 @@ static int madvise_cold_or_pageout_pte_range(pmd_t *pmd,
>  	return 0;
>  }
>  
> +static const struct mm_walk_ops cold_walk_ops = {
> +	.pmd_entry = madvise_cold_or_pageout_pte_range,
> +};
> +

> +static const struct mm_walk_ops pageout_walk_ops = {
> +	.pmd_entry = madvise_cold_or_pageout_pte_range,
> +};

These two can be shared

Looks OK otherwise

Jason