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Message-ID: <20220624141655.zcyebflytmftojsd@revolver>
Date: Fri, 24 Jun 2022 14:31:22 +0000
From: Liam Howlett <liam.howlett@...cle.com>
To: Matthew Wilcox <willy@...radead.org>
CC: David Hildenbrand <david@...hat.com>,
"maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
"linux-mm@...ck.org" <linux-mm@...ck.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
"damon @ lists . linux . dev" <damon@...ts.linux.dev>,
SeongJae Park <sj@...nel.org>
Subject: Re: [PATCH v10 09/69] mm: add VMA iterator
* Matthew Wilcox <willy@...radead.org> [220623 13:03]:
> On Tue, Jun 21, 2022 at 11:10:09PM +0200, David Hildenbrand wrote:
> > > +#define VMA_ITERATOR(name, mm, addr) \
> > > + struct vma_iterator name = { \
> > > + .mas = { \
> > > + .tree = &mm->mm_mt, \
> > > + .index = addr, \
> > > + .node = MAS_START, \
> > > + }, \
> > > + }
> > > +
> >
> > No __* and () macro magic?
> >
> > I'd have expected at least
> >
> > tree = &(__mm)->mm_mt,
> > .index = (__addr),
> >
> > ;)
>
> Fair, fair. Just testing that change now. I always forget to do those
> things until they bite me.
>
> > Reviewed-by: David Hildenbrand <david@...hat.com>
>
> Appreciate the review!
I'll also do the same underscores for the maple tree defines where
necessary.
Thanks David.
>
> diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
> index acbd8d03e01e..8bcbffefdc02 100644
> --- a/include/linux/mm_types.h
> +++ b/include/linux/mm_types.h
> @@ -686,11 +686,11 @@ struct vma_iterator {
> struct ma_state mas;
> };
>
> -#define VMA_ITERATOR(name, mm, addr) \
> +#define VMA_ITERATOR(name, _mm, _addr) \
> struct vma_iterator name = { \
> .mas = { \
> - .tree = &mm->mm_mt, \
> - .index = addr, \
> + .tree = &(_mm)->mm_mt, \
> + .index = (_addr), \
> .node = MAS_START, \
> }, \
> }
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