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

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On Mon, May 22, 2017 at 02:11:49PM -0700, Andrew Morton wrote:
> On Mon, 22 May 2017 16:47:42 +0530 Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx> wrote:
> 
> > There are many places where we define size either left shifting integers
> > or multiplying 1024s without any generic definition to fall back on. But
> > there are couples of (powerpc and lz4) attempts to define these standard
> > memory sizes. Lets move these definitions to core VM to make sure that
> > all new usage come from these definitions eventually standardizing it
> > across all places.
> 
> Grep further - there are many more definitions and some may now
> generate warnings.
> 
> Newly including mm.h for these things seems a bit heavyweight.  I can't
> immediately think of a more appropriate place.  Maybe printk.h or
> kernel.h.

IFF we do these kernel.h is the right place.  And please also add the
MiB & co variants for the binary versions right next to the decimal
ones.

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