All of lore.kernel.org
 help / color / mirror / Atom feed
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

  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 [PATCH] x86: fix /proc/meminfo DirectMap 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 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.