From: Thiemo Seufer <ths@networkno.de>
To: Peter Watkins <treestem@gmail.com>
Cc: linux-mips@linux-mips.org, Ralf Baechle <ralf@linux-mips.org>
Subject: Re: [PATCH] 64K page size
Date: Wed, 23 Aug 2006 17:00:11 +0100 [thread overview]
Message-ID: <20060823160011.GE20395@networkno.de> (raw)
In-Reply-To: <44EC7125.7000000@gmail.com>
Peter Watkins wrote:
> Hello,
>
> There are a number of changes required to support larger page sizes, but
> this one I thought worth sending up right away.
>
> The code in pgtable-64.h assumes TASK_SIZE is always bigger than a first
> level PGDIR_SIZE. This is not the case for 64K pages, where task size is
> 40 bits (1TB) and a pgd entry can map 42 bits. This leads to
> USER_PTRS_PER_PGD being zero for 64K pages.
>
> If there is interest in other changes for 64K pages, I can send more.
Please do so. :-)
Thiemo
next prev parent reply other threads:[~2006-08-23 16:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-23 15:15 [PATCH] 64K page size Peter Watkins
2006-08-23 16:00 ` Thiemo Seufer [this message]
2006-08-23 16:23 ` Jonathan Day
2006-08-23 17:53 ` Thiemo Seufer
2006-08-25 0:28 ` Ralf Baechle
2006-08-25 5:11 ` Jonathan Day
2006-08-29 14:07 ` Ralf Baechle
2006-08-31 3:48 ` Yoichi Yuasa
2006-08-31 21:24 ` Ralf Baechle
2006-08-29 13:50 ` Ralf Baechle
2006-08-31 15:12 ` Peter Watkins
2006-08-29 14:01 ` Ralf Baechle
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=20060823160011.GE20395@networkno.de \
--to=ths@networkno.de \
--cc=linux-mips@linux-mips.org \
--cc=ralf@linux-mips.org \
--cc=treestem@gmail.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