linux-kernel - Re: [PATCH] arm64: Define only {pud/pmd}_{set/clear}

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Message-Id: <20210514144200.b49ee77c9b2a7f9998ffbf22@linux-foundation.org>
Date:   Fri, 14 May 2021 14:42:00 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Nicholas Piggin <npiggin@...il.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Mike Rapoport <rppt@...nel.org>, naresh.kamboju@...aro.org,
        linux-arch@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        sparclinux@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] arm64: Define only {pud/pmd}_{set/clear}_huge when
 usefull

On Fri, 14 May 2021 11:08:53 +0000 (UTC) Christophe Leroy <christophe.leroy@...roup.eu> wrote:

> When PUD and/or PMD are folded, those functions are useless
> and we now have a stub in linux/pgtable.h

OK, help me out here please.  What patch does this fix?