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

From: Stephen Rothwell <[email-masked]>
Date: Wed, 26 Feb 2020 15:02:29 +1100

Hi all,

On Mon, 17 Feb 2020 14:57:11 +1100 Stephen Rothwell <[email-masked]> wrote:
>
> After merging the akpm tree, today's linux-next build (sparc64 defconfig)
> failed like this:
> 
> mm/memory.c: In function 'insert_pages':
> mm/memory.c:1523:56: error: macro "pte_index" requires 2 arguments, but only 1 given
>    remaining_pages_total, PTRS_PER_PTE - pte_index(addr));
>                                                         ^
> 
> Caused by commit
> 
>   366142f0b000 ("mm/memory.c: add vm_insert_pages()")
> 
> This is the first use of pte_index() outside arch specific code and the
> sparc64 version of pte_index() nas an extra argument.
> 
> I have reverted these commits for today:
> 
>   219ae14a9686 ("net-zerocopy-use-vm_insert_pages-for-tcp-rcv-zerocopy-fix")
>   cb912fdf96bf ("net-zerocopy: use vm_insert_pages() for tcp rcv zerocopy")
>   72c684430b94 ("add missing page_count() check to vm_insert_pages().")
>   dbd9553775f3 ("mm-add-vm_insert_pages-fix")
>   366142f0b000 ("mm/memory.c: add vm_insert_pages()")

This failure is now in the akpm tree (it was previously in the
skpm-current tree) but I am still reverting the same patches (though
they are now slightly different).

-- 
Cheers,
Stephen Rothwell