linux-kernel - Re: [PATCH] mm: Generalize HUGETLB_PAGE_SIZE

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Message-ID: <20210301075352.GA27659@lst.de>
Date:   Mon, 1 Mar 2021 08:53:52 +0100
From:   Christoph Hellwig <hch@....de>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     Christoph Hellwig <hch@....de>, linux-mm@...ck.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-ia64@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: Generalize HUGETLB_PAGE_SIZE_VARIABLE

On Mon, Mar 01, 2021 at 01:13:41PM +0530, Anshuman Khandual wrote:
> > doesn't this need a 'if HUGETLB_PAGE'
> 
> While making HUGETLB_PAGE_SIZE_VARIABLE a generic option, also made it
> dependent on HUGETLB_PAGE. Should not that gate HUGETLB_PAGE_SIZE_VARIABLE
> when HUGETLB_PAGE is not available irrespective of the select statement on
> the platforms ?

depends doesn't properly work for variables that are selected.