From: "Benjamin C.R. LaHaise" <blah@kvack.org>
To: pnilesh@in.ibm.com
Cc: linux-mm@kvack.org
Subject: Re: Why ?
Date: Mon, 27 Mar 2000 11:59:23 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.3.96.1000327115808.14059A-100000@kanga.kvack.org> (raw)
In-Reply-To: <CA2568AF.002D39AF.00@d73mta05.au.ibm.com>
On Mon, 27 Mar 2000 pnilesh@in.ibm.com wrote:
> Why the first 0x0 - 0x07ffffff virtual addresses are not used by any
> process ?
I think it's to help catch NULL pointer dereferences.
> Is that used by the kernel and if yes for what ?
Other than the aforementioned reason, no.
-ben
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prev parent reply other threads:[~2000-03-27 16:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-03-27 8:06 pnilesh
2000-03-27 10:46 ` Stephen C. Tweedie
2000-03-27 16:59 ` Benjamin C.R. LaHaise [this message]
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