linux-kernel - Re: [PATCH] mm: Define KB, MB, GB, TB in core VM

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Message-Id: <87d1as6ifk.fsf@concordia.ellerman.id.au>
Date:   Mon, 29 May 2017 20:55:43 +1000
From:   Michael Ellerman <michaele@....ibm.com>
To:     Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
        Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Christoph Hellwig <hch@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: Define KB, MB, GB, TB in core VM

Anshuman Khandual <khandual@...ux.vnet.ibm.com> writes:
>
> So the question is are we willing to do all these changes across
> the tree to achieve common definitions of KB, MB, GB, TB in the
> kernel ? Is it worth ?

No I don't think it's worth the churn.

But have you looked at using the "proper" names, ie. KiB, MiB, GiB?

AFAICS the only clash is:

drivers/mtd/ssfdc.c:#define KiB(x)	( (x) * 1024L )
drivers/mtd/ssfdc.c:#define MiB(x)	( KiB(x) * 1024L )

Which would be easy to convert.

cheers