linux-kernel - Re: [PATCH] mm/mmap: Define DEFAULT_STACK_GUARD

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Date:   Wed, 30 Aug 2023 04:24:53 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/mmap: Define DEFAULT_STACK_GUARD_GAP

On Wed, Aug 30, 2023 at 08:25:45AM +0530, Anshuman Khandual wrote:
> 
> 
> On 8/29/23 18:02, Matthew Wilcox wrote:
> > On Mon, Aug 28, 2023 at 09:22:48AM +0530, Anshuman Khandual wrote:
> >> This just defines a macro constant i.e DEFAULT_STACK_GUARD_GAP representing
> >> the default gap, guarding the stack mapping. This does not cause functional
> >> changes.
> > 
> > But why have you done it at all?
> 
> Just as a normal cleanup which also improves readability.

hard disagree.  NAK this patch.