linux-kernel - Re: [PATCH 15/14] arm: Rename PMD_ORDER to PMD

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Message-ID: <YsIHPStHG84Ksu7m@shell.armlinux.org.uk>
Date:   Sun, 3 Jul 2022 22:16:45 +0100
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>, Mike Rapoport <rppt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 15/14] arm: Rename PMD_ORDER to PMD_BITS

On Sun, Jul 03, 2022 at 10:14:41PM +0100, Matthew Wilcox (Oracle) wrote:
> This is the number of bits used by a PMD entry, not the order of a PMD.

No, it's not the number of bits. A PMD entry doesn't fit in 2 or 3 bits.
This is even more confusing.

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