linux-kernel - Re: [PATCH] mm.h: Fix "mm: Add temporary vma iterator versions of vma_merge(), split_vma(), and __split

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Date:   Tue, 10 Jan 2023 14:14:29 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        SeongJae Park <sj@...nel.org>
Subject: Re: [PATCH] mm.h: Fix "mm: Add temporary vma iterator versions of
 vma_merge(), split_vma(), and __split_vma()

* Andrew Morton <akpm@...ux-foundation.org> [230109 18:15]:
> On Mon, 9 Jan 2023 20:53:22 +0000 Liam Howlett <liam.howlett@...cle.com> wrote:
> 
> > The extern definition of __split_vma() was removed too early.  Re-add it
> > and remove it once the users are all converted.
> 
> I think I sorted this out.
> 
> __split_vma() can be made static to mmap.c?

Ah, I don't think so?  SeongJae reported an issue that I caused by
dropping this definition from the header before mm/madvise.c was updated
to use the alternative.  I think it needs to be in the header and so it
should just probably be there until the function is dropped entirely
later in the series.