linux-kernel - Re: [PATCH v5 3/3] man/man2/mremap.2: describe previously undocumented shrink behaviour

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Message-ID: <jmjlamoqau6rs32ldggra4ojiwim7b7h7xtgzh63m64xejsid4@cdnae7mjdeh3>
Date: Wed, 20 Aug 2025 12:50:25 +0200
From: Alejandro Colomar <alx@...nel.org>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: linux-man@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, 
	Peter Xu <peterx@...hat.com>, Alexander Viro <viro@...iv.linux.org.uk>, 
	Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, 
	"Liam R . Howlett" <Liam.Howlett@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, Jann Horn <jannh@...gle.com>, 
	Pedro Falcato <pfalcato@...e.de>, Rik van Riel <riel@...riel.com>, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org
Subject: Re: [PATCH v5 3/3] man/man2/mremap.2: describe previously
 undocumented shrink behaviour

Hi Lorenzo,

On Tue, Aug 19, 2025 at 09:37:39PM +0100, Lorenzo Stoakes wrote:
> > > diff --git a/man/man2/mremap.2 b/man/man2/mremap.2
> > > index 6d14bf627..53d4eda29 100644
> > > --- a/man/man2/mremap.2
> > > +++ b/man/man2/mremap.2
> > > @@ -47,8 +47,35 @@ The
> > >  .B MREMAP_DONTUNMAP
> > >  flag may also be specified.
> > >  .P
> > > -If the operation is not
> > > -simply moving mappings,
> > > +Equally, if the operation performs a shrink,

I've changed s/Equally/Similarly/

> > > +that is if
> >
> > Missing comma.
> 
> Could you fix that up? Thnks!
> 
> >
> > > +.I old_size
> > > +is greater than
> > > +.IR new_size ,
> > > +then
> > > +.I old_size
> > > +may also span multiple mappings
> > > +which do not have to be
> > > +adjacent to one another.
> >
> > I'm wondering if there's a missing comma or not before 'which'.
> > The meaning of the sentence would be different.
> >
> > So, I should ask:
> >
> > Does old_size > new_size mean that old_size may span multiple mappings
> > and you're commenting that multiple mappings need not be adjacent?
> 
> Yes.
> 
> >
> > Or are multiple mappings always allowed and old_size > new_size allows
> > non-adjacent ones?
> 
> No.
> 
> >
> > I suspect it's the former, right?  Then, it's missing a comma, right?
> 
> Yes could you fix that up?

Yup.

> 
> >
> >
> > Other than this, the patch looks good.
> 
> Thanks!

Thanks for the patch!  I've applied it with those amendments.
<https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=21b1c7188ce1d66ef294eb1681361315a35e8070>


Have a lovely day!
Alex

-- 
<https://www.alejandro-colomar.es/>

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