From: Nick Clifton <nickc@redhat.com>
To: "H. J. Lu" <hjl@lucon.org>
Cc: binutils@sources.redhat.com, discuss@x86-64.org
Subject: Re: RFC: Change x86-64 maximum page size to 2MB
Date: Fri, 19 May 2006 12:39:00 -0000 [thread overview]
Message-ID: <446D8BE1.3030504@redhat.com> (raw)
In-Reply-To: <20060516232326.GA18996@lucon.org>
Hi H. J.
> The current x86-64 maximum page size is 1MB. With the future
> development, 2MB is better for performance. Using 2MB won't break
> anything, except for up to 2MB gap in virtual address space per file,
> instead of 1MB. x86-64 has 48 bits in virtual address space. It
> shouldn't be an issue for most applications. I have a patch:
>
> http://sourceware.org/ml/binutils/2005-05/msg00644.html
>
> which can be used to implement "-z max-page-size=xxxx" so that people
> can control maximum page size at the link time if they prefer different
> maximum page size.
This seems to be perfectly reasonable.
Cheers
Nick
next prev parent reply other threads:[~2006-05-19 9:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-17 11:24 H. J. Lu
2006-05-19 12:39 ` Nick Clifton [this message]
2006-05-22 23:57 ` H. J. Lu
2006-05-24 7:24 ` PATCH: Add "-z max-page-size=xxxx"/"-z common-page-size=xxxx" H. J. Lu
2006-05-31 11:36 ` Nick Clifton
2006-05-26 4:33 ` PATCH: Change x86-64 maximum page size to 2MB H. J. Lu
2006-05-26 21:48 ` Daniel Jacobowitz
2006-05-27 0:47 ` H. J. Lu
2006-05-27 16:33 ` H. J. Lu
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