linux-kernel - Re: [PATCH 08/22] arch/m68k/kernel/sys_m68k: Use vma_lookup() in sys

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Message-ID: <CAMuHMdViObRA1H-yggx5M-dn2j+7rrMR1Z_SFBYJE2cHmX2=zQ@mail.gmail.com>
Date:   Tue, 11 May 2021 09:15:24 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Liam Howlett <liam.howlett@...cle.com>
Cc:     "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Song Liu <songliubraving@...com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Laurent Dufour <ldufour@...ux.ibm.com>,
        David Rientjes <rientjes@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Rik van Riel <riel@...riel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Michel Lespinasse <michel@...pinasse.org>
Subject: Re: [PATCH 08/22] arch/m68k/kernel/sys_m68k: Use vma_lookup() in sys_cacheflush()

On Mon, May 10, 2021 at 7:04 PM Liam Howlett <liam.howlett@...cle.com> wrote:
> Use vma_lookup() to find the VMA at a specific address.  As vma_lookup()
> will return NULL if the address is not within any VMA, the start address
> no longer needs to be validated.
>
> Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>

Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds