linux-kernel - Re: [PATCH v5 07/12] parisc: constify mmap_upper_limit() parameter for improved const-correctness

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Message-ID: <1c279446-23f9-46a4-bec2-6390c212dff7@lucifer.local>
Date: Mon, 1 Sep 2025 15:48:05 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: David Hildenbrand <david@...hat.com>
Cc: Max Kellermann <max.kellermann@...os.com>, akpm@...ux-foundation.org,
        axelrasmussen@...gle.com, yuanchu@...gle.com, willy@...radead.org,
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Subject: Re: [PATCH v5 07/12] parisc: constify mmap_upper_limit() parameter
 for improved const-correctness

On Mon, Sep 01, 2025 at 03:55:00PM +0200, David Hildenbrand wrote:
> On 01.09.25 14:30, Max Kellermann wrote:
> > This piece is necessary to make the `rlim_stack` parameter to
> > mmap_base() const.
> >
> > Signed-off-by: Max Kellermann <max.kellermann@...os.com>
> > Reviewed-by: Vishal Moola (Oracle) <vishal.moola@...il.com>
> > ---
> >   arch/parisc/include/asm/processor.h | 2 +-
> >   arch/parisc/kernel/sys_parisc.c     | 2 +-
> >   2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
> > index 4c14bde39aac..dd0b5e199559 100644
> > --- a/arch/parisc/include/asm/processor.h
> > +++ b/arch/parisc/include/asm/processor.h
> > @@ -48,7 +48,7 @@
> >   #ifndef __ASSEMBLER__
> >   struct rlimit;
> > -unsigned long mmap_upper_limit(struct rlimit *rlim_stack);
> > +unsigned long mmap_upper_limit(const struct rlimit *rlim_stack);
> >   unsigned long calc_max_stack_size(unsigned long stack_max);
>
> *const like in the other case?

Ditto :>)

>
> --
> Cheers
>
> David / dhildenb
>