linux-kernel - Re: Oops in a driver while using SLUB as a SLAB allocator

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Message-ID: <Pine.LNX.4.64.0706211839440.11717@schroedinger.engr.sgi.com>
Date:	Thu, 21 Jun 2007 18:41:53 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Hugh Dickins <hugh@...itas.com>
cc:	Nicolas Ferre <nicolas.ferre@....atmel.com>,
	ARM Linux Mailing List 
	<linux-arm-kernel@...ts.arm.linux.org.uk>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	Marc Pignat <marc.pignat@...s.ch>,
	Andrew Victor <andrew@...people.com>,
	Pierre Ossman <drzeus@...eus.cx>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Oops in a driver while using SLUB as a SLAB allocator

On Thu, 21 Jun 2007, Hugh Dickins wrote:

> Seems a little odd that it's gone throughout 2.6.22-rc unnoticed
> until now - nobody else trying SLUB on ARM or PA-RISC yet perhaps.

The impact is only on a subset of ARM machines.

PA_RISC? It looks like they run their own flushing function for byte 
ranges called flush_kernel_dache_range. That does not use the page struct.


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