From: Ingo Molnar <mingo@elte.hu>
To: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Yinghai Lu <yinghai@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86: keep the page count correct
Date: Mon, 27 Oct 2008 18:55:47 +0100 [thread overview]
Message-ID: <20081027175547.GE3046@elte.hu> (raw)
In-Reply-To: <20081027165028.GB30573@linux-os.sc.intel.com>
* Suresh Siddha <suresh.b.siddha@intel.com> wrote:
> On Sat, Oct 25, 2008 at 10:58:21PM -0700, Yinghai Lu wrote:
> >
> > impact: get correct page count for 2M and 1G...
> >
> > found page count in /proc/meminfo is nor correct on 1G system in VirtualBox 2.0.4
> >
> > # cat /proc/meminfo
> > MemTotal: 1017508 kB
> > MemFree: 822700 kB
> > Buffers: 1456 kB
> > Cached: 26632 kB
> > SwapCached: 0 kB
> > ...
> > Hugepagesize: 2048 kB
> > DirectMap4k: 4032 kB
> > DirectMap2M: 18446744073709549568 kB
> >
> > with this patch get:
> > ...
> > DirectMap4k: 4032 kB
> > DirectMap2M: 1044480 kB
> >
> > which is consistent to kernel_page_tables
> > ---[ Low Kernel Mapping ]---
> > 0xffff880000000000-0xffff880000001000 4K RW PCD GLB x pte
> > 0xffff880000001000-0xffff88000009f000 632K RW GLB x pte
> > 0xffff88000009f000-0xffff8800000a0000 4K RW PCD GLB x pte
> > 0xffff8800000a0000-0xffff880000200000 1408K RW GLB x pte
> > 0xffff880000200000-0xffff88003fe00000 1020M RW PSE GLB x pmd
> > 0xffff88003fe00000-0xffff88003fff0000 1984K RW GLB NX pte
> > 0xffff88003fff0000-0xffff880040000000 64K pte
> > 0xffff880040000000-0xffff888000000000 511G pud
> > 0xffff888000000000-0xffffc20000000000 58880G pgd
> >
> > Signed-off-by: Yinghai Lu <yinghai@kernel.org>
>
> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
applied to tip/x86/urgent, thanks guys!
Ingo
next prev parent reply other threads:[~2008-10-27 17:56 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-26 5:58 Yinghai Lu
2008-10-27 16:50 ` Suresh Siddha
2008-10-27 17:55 ` Ingo Molnar [this message]
2008-10-28 1:52 ` [PATCH] x86: fix init_memory_mapping for [dc000000 - e0000000) Yinghai Lu
2008-10-28 9:27 ` Ingo Molnar
2008-10-28 17:48 ` Cyrill Gorcunov
2008-10-28 18:10 ` Ingo Molnar
2008-10-28 18:14 ` Cyrill Gorcunov
2008-10-28 18:18 ` Ingo Molnar
2008-10-28 18:22 ` Cyrill Gorcunov
[not found] ` <20081028093930.GA9699@elte.hu>
[not found] ` <20081028094758.GA11958@elte.hu>
[not found] ` <4906E048.6060006@kernel.org>
[not found] ` <20081028095244.GY15734@elte.hu>
2008-10-28 19:39 ` [PATCH] x86: fix init_memory_mapping for [dc000000 - e0000000) - v2 Yinghai Lu
2008-10-28 19:55 ` Ingo Molnar
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=20081027175547.GE3046@elte.hu \
--to=mingo@elte.hu \
--cc=akpm@linux-foundation.org \
--cc=hpa@zytor.com \
--cc=jeremy@goop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=suresh.b.siddha@intel.com \
--cc=tglx@linutronix.de \
--cc=yinghai@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
Powered by JetHome