linux-kernel - Re: [PATCH v4 03/36] mm: Allow hpages to be arbitrary order

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Message-ID: <8525A9D1-6551-42C6-BF19-CAC4926FA500@nvidia.com>
Date:   Thu, 28 May 2020 10:19:04 -0400
From:   Zi Yan <ziy@...dia.com>
To:     Matthew Wilcox <willy@...radead.org>
CC:     <linux-fsdevel@...r.kernel.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 03/36] mm: Allow hpages to be arbitrary order

On 15 May 2020, at 9:16, Matthew Wilcox wrote:

> From: "Matthew Wilcox (Oracle)" <willy@...radead.org>
>
> Remove the assumption in hpage_nr_pages() that compound pages are
> necessarily PMD sized.  Move the relevant parts of mm.h to before the
> include of huge_mm.h so we can use an inline function rather than a macro.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> ---
>  include/linux/huge_mm.h |  5 +--
>  include/linux/mm.h      | 96 ++++++++++++++++++++---------------------
>  2 files changed, 50 insertions(+), 51 deletions(-)
>
Glad to see this change. Thanks.

Reviewed-by: Zi Yan <ziy@...dia.com>

—
Best Regards,
Yan Zi

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