linux-kernel - Re: [PATCH 24/38] move round

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Message-ID: <alpine.DEB.2.00.1001220851210.2704@router.home>
Date:	Fri, 22 Jan 2010 08:52:34 -0600 (CST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Yinghai Lu <yinghai@...nel.org>
cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH 24/38] move round_up/down to kernel.h

On Fri, 22 Jan 2010, Yinghai Lu wrote:

> +#define __round_mask(x,y) ((__typeof__(x))((y)-1))
> +#define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1)
> +#define round_down(x,y) ((x) & ~__round_mask(x,y))

s/round/round_power2/


>  #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
>  #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
>  #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))

Also some uppercase/lowercase mess.

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