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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <2c7f0625-9810-480d-b29c-43b5cfedef3b@lucifer.local>
Date: Wed, 20 Aug 2025 12:24:11 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: Alejandro Colomar <alx@...nel.org>
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

On Wed, Aug 20, 2025 at 12:50:25PM +0200, Alejandro Colomar wrote:
> 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>

All sounds good, thanks for doing that and also for applies for other patches in
series :)

Cheers, Lorenzo

>
>
> Have a lovely day!
> Alex
>
> --
> <https://www.alejandro-colomar.es/>