linux-kernel - Re: [PATCH] arm64: Increase the max granular size

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Message-ID: <alpine.DEB.2.20.1511040927510.18745@east.gentwo.org>
Date:	Wed, 4 Nov 2015 09:28:34 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Catalin Marinas <catalin.marinas@....com>
cc:	Robert Richter <rric@...nel.org>, Joonsoo Kim <js1304@...il.com>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	Will Deacon <will.deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Robert Richter <rrichter@...ium.com>, linux-mm@...ck.org,
	Tirumalesh Chalamarla <tchalamarla@...ium.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] arm64: Increase the max granular size

On Wed, 4 Nov 2015, Catalin Marinas wrote:

> BTW, assuming L1_CACHE_BYTES is 512 (I don't ever see this happening but
> just in theory), we potentially have the same issue. What would save us
> is that INDEX_NODE would match the first "kmalloc-512" cache, so we have
> it pre-populated.

Ok maybe add some BUILD_BUG_ONs to ensure that builds fail until we have
addressed that.

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