[PATCH 15/14] arm: Rename PMD_ORDER to PMD_BITS

[Russell King (Oracle)]

On Mon, Jul 04, 2022 at 09:26:22AM +0300, Mike Rapoport wrote:
> I'd go with PMD_ENTRY_ORDER as Russell suggested last year.
> 
> From 6389dfb2e5ae5b040ca1c8f07a071d8da2873b13 Mon Sep 17 00:00:00 2001
> From: Mike Rapoport <rppt at linux.ibm.com>
> Date: Mon, 4 Jul 2022 09:17:40 +0300
> Subject: [PATCH] ARM: head.S: rename PMD_ORDER to PMD_ENTRY_ORDER
> 
> PMD_ORDER denotes order of magnitude for a PMD entry, i.e PMD entry
> size is 2 ^ PMD_ORDER.
> 
> Rename PMD_ORDER to PMD_ENTRY_ORDER to allow a generic definition of
> PMD_ORDER as order of a PMD allocation: (PMD_SHIFT - PAGE_SHIFT).
> 
> Signed-off-by: Mike Rapoport <rppt at linux.ibm.com>

Yes, absolutely.

Acked-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>

I really don't buy the argument that we should not be using "order" here
and we need to make up some other random idiotic term just because Linux
uses "order" *elsewhere* for PAGE_SIZE * 2^n. The Linux kernel doesn't
get to redefine standard terms, and certainly doesn't get to demand that
one has to make up another name for a standard term because it conflicts
with some other usage of that term that's non-standard.

-- 
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