From: Dave Hansen <haveblue@us.ibm.com>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org
Subject: Re: [RFC][PATCH] allow bigger PAGE_OFFSET with PAE
Date: Wed, 08 Jan 2003 13:04:23 -0800 [thread overview]
Message-ID: <3E1C9257.2040907@us.ibm.com> (raw)
In-Reply-To: <20030107233713.GB23814@holomorphy.com>
William Lee Irwin III wrote:
> On Tue, Jan 07, 2003 at 12:06:38PM -0800, Dave Hansen wrote:
>
>>Also, this gets the kernel's pagetables right, but neglects
>>userspace's for now. pgd_alloc() needs to be fixed to allocate
>>another PMD, if the split isn't PMD-alighed.
>
> Um, that should be automatic when USER_PTRS_PER_PGD is increased.
Nope, you need a little bit more. pgd_alloc() relies on its memcpy()
to provide the kernel mappings. After the last user PMD is allocated,
you still need to copy the kernel-shared part of it in.
--
Dave Hansen
haveblue@us.ibm.com
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/
next prev parent reply other threads:[~2003-01-08 21:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-07 20:06 Dave Hansen
2003-01-07 23:37 ` William Lee Irwin III
2003-01-08 21:04 ` Dave Hansen [this message]
2003-01-08 22:05 ` William Lee Irwin III
2003-01-08 22:44 ` William Lee Irwin III
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3E1C9257.2040907@us.ibm.com \
--to=haveblue@us.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=wli@holomorphy.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox