linux-kernel - Re: [PATCH] mm/memblock: replace u64 with phys_addr

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Message-ID: <20180704075449.GB458@jagdpanzerIV>
Date:   Wed, 4 Jul 2018 16:54:49 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Mike Rapoport <rppt@...ux.vnet.ibm.com>
Cc:     Joe Perches <joe@...ches.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-mm <linux-mm@...ck.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Michal Hocko <mhocko@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] mm/memblock: replace u64 with phys_addr_t where
 appropriate

On (07/04/18 10:03), Mike Rapoport wrote:
>  arch/alpha/kernel/pci_iommu.c             | 20 ++++++++++----------
>  arch/arm/mm/alignment.c                   |  2 +-
>  arch/arm/nwfpe/fpmodule.c                 |  2 +-
>  arch/microblaze/mm/pgtable.c              |  2 +-
>  arch/sparc/kernel/ds.c                    |  2 +-
>  arch/um/kernel/sysrq.c                    |  2 +-
>  arch/x86/include/asm/trace/exceptions.h   |  2 +-
>  arch/x86/kernel/irq_64.c                  |  2 +-
>  arch/x86/mm/extable.c                     |  4 ++--
>  arch/x86/xen/multicalls.c                 |  2 +-

Isn't it "funny" that parisc, ia64, powerpc don't use pf/pF in arch code,
but x86, arm, etc. do use pf/pF in arch code?

Surely, I do understand why we have pf/pF in mm, drivers and all over the
place. But still, I'm surprised.

	-ss