linux-kernel - Re: [RFC] bitmap relative operator for mempolicy extensions

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Message-ID: <2c0942db0802141255o5d18c6bfxe052ba9512a18817@mail.gmail.com>
Date:	Thu, 14 Feb 2008 12:55:49 -0800
From:	"Ray Lee" <ray-lk@...rabbit.org>
To:	"Paul Jackson" <pj@....com>
Cc:	"KOSAKI Motohiro" <kosaki.motohiro@...fujitsu.com>,
	rientjes@...gle.com, Lee.Schermerhorn@...com, mel@....ul.ie,
	ak@...e.de, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, clameter@....com
Subject: Re: [RFC] bitmap relative operator for mempolicy extensions

On Thu, Feb 14, 2008 at 8:35 AM, Paul Jackson <pj@....com> wrote:
> Kosaki-san wrote:
>  > i prefer another name [!relative].
>
>  Any suggestions?
>
>  I'll give the name some thought myself.
>  I like good names, and this is the right
>  time to get this one right.

'Relative map' implies a constant offset. What you have there is just
a map as relmap could be sparse (which, btw, would have been nice to
have in the example).

map_bitmap violates your naming convention, bitmap_map isn't all that
clear, bitmap_remap is taken, and while it is one-to-one and onto, I
think calling it bitmap_bijection would lose everyone except the
mathematicians. bitmap_onto? bitmap_map_onto? bitmap_map_bitmap_onto?

bitmap_read_my_kernel_doc?

Minor suggestion:
+ * and the n-th bit of @relmap is the m-th set bit of @relmap.

Perhaps s/is the/is also the/, so that the reader doesn't try to
second guess if you accidentally wrote @relmap twice instead of one of
them being @orig.
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