linux-kernel - Re: [PATCH -next v3 1/2] mm/debug_vm_pgtable: Move {pmd/pud}_huge_tests out of CONFIG_TRANSPARENT

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Message-Id: <20210509212654.e215ff71042b62704965ae01@linux-foundation.org>
Date:   Sun, 9 May 2021 21:26:54 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Liu Shixin <liushixin2@...wei.com>
Cc:     Anshuman Khandual <anshuman.khandual@....com>,
        <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next v3 1/2] mm/debug_vm_pgtable: Move
 {pmd/pud}_huge_tests out of CONFIG_TRANSPARENT_HUGEPAGE

On Mon, 19 Apr 2021 15:18:19 +0800 Liu Shixin <liushixin2@...wei.com> wrote:

> The functions {pmd/pud}_set_huge and {pmd/pud}_clear_huge are not dependent
> on THP. Hence move {pmd/pud}_huge_tests out of CONFIG_TRANSPARENT_HUGEPAGE.

What is the actual effect of this?  Better test coverage?  Smaller
kernel?  Larger kernel?

(I'm too lazy to figure this out and it should have been in the
changelog anyway ;))