From: Andrea Arcangeli <aarcange@redhat.com>
To: Paul Brook <paul@codesourcery.com>
Cc: qemu-devel@nongnu.org, Avi Kivity <avi@redhat.com>
Subject: Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support
Date: Fri, 12 Mar 2010 19:51:11 +0100 [thread overview]
Message-ID: <20100312185111.GY5677@random.random> (raw)
In-Reply-To: <201003121841.56852.paul@codesourcery.com>
On Fri, Mar 12, 2010 at 06:41:56PM +0000, Paul Brook wrote:
> Doesn't non-PAE (i.e. most 32-bit x86) use 4M huge pages? There's still a good
> number of those knocking about.
Yep, but 32bit x86 host won't support transparent hugepage (certain
bits overflows in the kernel implementation, there's no more space in
the page struct). It's not worth it IMHO.
next prev parent reply other threads:[~2010-03-12 18:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-11 15:14 [Qemu-devel] [PATCH QEMU] transparent hugepage support Andrea Arcangeli
2010-03-11 15:52 ` Avi Kivity
2010-03-11 16:05 ` Andrea Arcangeli
2010-03-13 8:28 ` Avi Kivity
2010-03-13 17:47 ` Andrea Arcangeli
2010-03-11 16:28 ` Paul Brook
2010-03-11 16:46 ` Andrea Arcangeli
2010-03-11 17:55 ` Paul Brook
2010-03-11 18:49 ` Andrea Arcangeli
2010-03-12 11:36 ` Paul Brook
2010-03-12 14:52 ` Andrea Arcangeli
2010-03-12 16:04 ` Paul Brook
2010-03-12 16:17 ` Andrea Arcangeli
2010-03-12 16:24 ` Paul Brook
2010-03-12 16:57 ` Andrea Arcangeli
2010-03-12 17:10 ` Paul Brook
2010-03-12 17:41 ` Andrea Arcangeli
2010-03-12 18:17 ` Paul Brook
2010-03-12 18:36 ` Andrea Arcangeli
2010-03-12 18:41 ` Paul Brook
2010-03-12 18:51 ` Andrea Arcangeli [this message]
2010-03-12 22:40 ` Jamie Lokier
2010-03-12 16:10 ` Paul Brook
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=20100312185111.GY5677@random.random \
--to=aarcange@redhat.com \
--cc=avi@redhat.com \
--cc=paul@codesourcery.com \
--cc=qemu-devel@nongnu.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.