linux-kernel - Re: [PATCH 1/1] mm/rmap: add CONFIG_MM_ID guard for folio_test_large_maybe_mapped

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Message-ID: <CAK1f24mYjKK0_cM0RA=FdKTro9CBwoPTWwkSYRzysUOMyHYmsA@mail.gmail.com>
Date: Thu, 17 Apr 2025 22:29:53 +0800
From: Lance Yang <ioworker0@...il.com>
To: David Hildenbrand <david@...hat.com>
Cc: akpm@...ux-foundation.org, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org, Mingzhe Yang <mingzhe.yang@...com>
Subject: Re: [PATCH 1/1] mm/rmap: add CONFIG_MM_ID guard for folio_test_large_maybe_mapped_shared()

On Thu, Apr 17, 2025 at 9:26 PM David Hildenbrand <david@...hat.com> wrote:
>
> On 17.04.25 15:24, Lance Yang wrote:
> > Hi David,
> >
> > Thanks for taking the time to review!
> >
> > On Thu, Apr 17, 2025 at 8:56 PM David Hildenbrand <david@...hat.com> wrote:
> >>
> >> On 17.04.25 14:49, Lance Yang wrote:
> >>> Add a compile-time check to make sure folio_test_large_maybe_mapped_shared()
> >>> is only used with CONFIG_MM_ID enabled, as it directly accesses the _mm_ids
> >>> field that only works under CONFIG_MM_ID.
> >>>
> >>> Suggested-by: David Hildenbrand <david@...hat.com>
> >>> Signed-off-by: Mingzhe Yang <mingzhe.yang@...com>
> >>
> >> ^ should that be here?
> >
> > Yep, that's my email too ;p
>
> Best to stick to only one here -- same individual :)

Got it. I'll keep that in mind next time ;)

Thanks,
Lance

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