From: Ingo Molnar <mingo@elte.hu>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andi Kleen <andi@firstfloor.org>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: fix /proc/meminfo DirectMap
Date: Fri, 15 Aug 2008 15:28:54 +0200 [thread overview]
Message-ID: <20080815132854.GG30597@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.64.0808151351220.28840@blonde.site>
* Hugh Dickins <hugh@veritas.com> wrote:
> Do we actually want these DirectMap lines in the x86 /proc/meminfo? I
> can see they're interesting to CPA developers and TLB optimizers, but
> they don't fit its usual "where has all my memory gone?" usage. If
> they are to stay, here are some fixes.
i think they are borderline useful - so i've applied your fixes to
tip/x86/urgent.
> You might prefer me to split these up?
nah.
> Should we really be using level2_ident_pgt (which needs to avoid NX)
> for the final direct map (which wants to use NX)? But my attempt to
> build up a fresh pagetable there failed miserably to boot!
hm, exactly what change have you tried? (patch?)
Ingo
next prev parent reply other threads:[~2008-08-15 13:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-15 12:58 Hugh Dickins
2008-08-15 13:15 ` Andi Kleen
2008-08-15 13:32 ` Hugh Dickins
2008-08-15 13:36 ` Andi Kleen
2008-08-15 13:45 ` Ingo Molnar
2008-08-15 13:28 ` Ingo Molnar [this message]
2008-08-15 14:30 ` Hugh Dickins
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=20080815132854.GG30597@elte.hu \
--to=mingo@elte.hu \
--cc=andi@firstfloor.org \
--cc=hugh@veritas.com \
--cc=linux-kernel@vger.kernel.org \
--cc=x86@kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®