linux-kernel - Re: [PATCH] [6/13] Core maskable allocator

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Message-ID: <20080308114122.GA27074@one.firstfloor.org>
Date:	Sat, 8 Mar 2008 12:41:22 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH] [6/13] Core maskable allocator

> > +early_param("maskzone", setup_maskzone);
> 
> please confirm mask_zone_size is aligned to MAX_ORDER.

It's not. Since the buddy allocator is not used MAX_ORDER doesn't really
exist for the mask allocator. It can handle arbitary size allocations.

Also strictly seen the maskzone is part of the lowmem zone.

-Andi

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