From: "H. Peter Anvin" <hpa@zytor.com>
To: Boaz Harrosh <bharrosh@panasas.com>
Cc: Rajkumar S <rajkumars@gmail.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: HIGHMEM64G Kernel (2.6.23.1) makes system crawl
Date: Wed, 24 Oct 2007 10:21:44 -0700 [thread overview]
Message-ID: <471F7F28.2010805@zytor.com> (raw)
In-Reply-To: <471F598C.5030903@panasas.com>
Boaz Harrosh wrote:
>
> From looking in source code the CONFIG_HIGHMEM64G is broken in many respects,
> in my opinion. It's really a 64-bit with 32-bit quirks enabled. Does it even
> run on None 64-bit machines? Not many!
>
Total and utter bullsh*t. It runs on virtually all modern x86's since
the P6/K7 (certain Pentium M chips being an exception).
Also, it is required for NX protection and for several of the paravirt
environments to work.
-hpa
next prev parent reply other threads:[~2007-10-24 17:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-24 10:26 HIGHMEM64G Kernel (2.6.23.1) makes system crawl Rajkumar S
2007-10-24 14:41 ` Boaz Harrosh
2007-10-24 16:35 ` Lennart Sorensen
2007-10-24 17:56 ` Boaz Harrosh
2007-10-24 20:37 ` Lennart Sorensen
2007-10-24 17:21 ` H. Peter Anvin [this message]
[not found] <fa.7rN1uBoDAvdkB/ZVQAe63J/uvnk@ifi.uio.no>
2007-10-24 14:26 ` Robert Hancock
2007-10-24 16:16 ` Rajkumar S
[not found] <fa.wTdv3mFEbQaGOciq1qlqjQYioTk@ifi.uio.no>
[not found] ` <fa.5twmqnTSoQ6RAav3LKQBxq5jBTw@ifi.uio.no>
[not found] ` <fa.USaSUutC3B7gcx/C3bJNmlbDfJk@ifi.uio.no>
2007-10-24 23:18 ` Robert Hancock
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