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Re: Heap test

from [Alan Cox] [Permanent Link][Original]
To: "Siders, Keith" <keith_siders@toshibatv.com>
Subject: Re: Heap test
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: 14 Aug 2002 14:34:43 +0100
Cc: "Linux-Mips (E-mail)" <linux-mips@oss.sgi.com>
In-reply-to: <7DF7BFDC95ECD411B4010090278A44CA379C06@ATVX>
References: <7DF7BFDC95ECD411B4010090278A44CA379C06@ATVX>
Sender: owner-linux-mips@oss.sgi.com 
On Wed, 2002-08-14 at 14:21, Siders, Keith wrote:
> Does the kernel have a heap memory test? I could use one.

It does some sanity checking as it goes, but its very hard to do this in
a kernel. Virtually allocated spaces have guard pages. Physically
allocated space does not, but we do support slab poisoning to spot
scribbles in freed memory and failure to do initializations
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