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

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Message-ID: <CAOFY-A2fn2A_xpCQjiUeVO15bVDozFFe4khs41OEYqZtMRWC_Q@mail.gmail.com>
Date:   Tue, 25 Feb 2020 20:25:30 -0800
From:   Arjun Roy <arjunroy@...gle.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>,
        David Miller <davem@...emloft.net>
Subject: Re: linux-next: build failure after merge of the akpm tree

On Tue, Feb 25, 2020 at 8:02 PM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> On Mon, 17 Feb 2020 14:57:11 +1100 Stephen Rothwell <sfr@...b.auug.org.au> 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).
>

Ack, and they will continue to fail till my fixup patch for sparc64 is
merged (it's already out for review).

-Arjun

> --
> Cheers,
> Stephen Rothwell