linux-kernel - Re: [PATCHv2] mm: page_alloc: fix CMA area initialisation when pageblock > MAX

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Message-ID: <xa1tha3fv8pk.fsf@mina86.com>
Date:	Fri, 20 Jun 2014 18:36:55 +0200
From:	Michal Nazarewicz <mina86@...a86.com>
To:	Mark Salter <msalter@...hat.com>
Cc:	David Rientjes <rientjes@...gle.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Catalin Marinas <catalin.marinas@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2] mm: page_alloc: fix CMA area initialisation when pageblock > MAX_ORDER

On Fri, Jun 20 2014, Mark Salter <msalter@...hat.com> wrote:
> This still isn't quite right. __free_pages can only take up to
> MAX_ORDER-1 (MAX_ORDER_NR_PAGES is 1 << (MAX_ORDER - 1)).

Good catch.  I'll send v3 in a few days then.

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