linux-kernel - Re: [GIT PULL] MM updates for 6.5-rc1

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Date:   Wed, 28 Jun 2023 20:10:41 +0100
From:   David Howells <dhowells@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     dhowells@...hat.com, Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, linux-mm@...ck.org,
        mm-commits@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] MM updates for 6.5-rc1

Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> So I think it needs to match the comment (and the try_grab_page()
> logic), and just basically
> 
>         if (flags & FOLL_GET)
>                 return try_get_folio(page, refs);
> 
>         if (is_zero_page(page))
>                 return page_folio(page);
> 
>         folio = try_get_folio(page, refs);
>         if (!folio)
>                 return NULL;
> 
> instead.

That looks right.

David