From: Gleb Natapov <gleb@minantech.com>
To: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Hugh Dickins <hugh@veritas.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Petr Vandrovec <vandrove@vc.cvut.cz>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Badari Pulavarty <pbadari@us.ibm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Nick's core remove PageReserved broke vmware...
Date: Thu, 10 Nov 2005 15:16:30 +0200 [thread overview]
Message-ID: <20051110131630.GO8942@minantech.com> (raw)
In-Reply-To: <20051110131630.GF16589@mellanox.co.il>
On Thu, Nov 10, 2005 at 03:16:30PM +0200, Michael S. Tsirkin wrote:
> Quoting Gleb Natapov <gleb@minantech.com>:
> > Subject: Re: Nick's core remove PageReserved broke vmware...
> >
> > On Thu, Nov 10, 2005 at 02:48:53PM +0200, Michael S. Tsirkin wrote:
> > > > Also perhapse we should skip VM_SHARED VMAs?
> > >
> > > Why?
> > >
> > They will work correctly across fork().
>
> So why would I call madvise on such a VMA?
>
Because libraries such as MPI can't figure out if memory is shared or not.
And madvise is just advise, so if kernel knows better it may ignore that
advise.
--
Gleb.
next prev parent reply other threads:[~2005-11-10 13:17 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-01 19:30 Nick's core remove PageReserved broke vmware Petr Vandrovec
2005-11-02 0:34 ` Nick Piggin
2005-11-02 1:17 ` Petr Vandrovec
2005-11-02 2:09 ` Nick Piggin
2005-11-02 12:26 ` Hugh Dickins
2005-11-02 18:06 ` Petr Vandrovec
2005-11-02 21:04 ` Benjamin Herrenschmidt
2005-11-02 21:41 ` Hugh Dickins
2005-11-02 21:45 ` Benjamin Herrenschmidt
2005-11-02 22:02 ` Hugh Dickins
2005-11-02 22:22 ` Benjamin Herrenschmidt
2005-11-03 8:03 ` Gleb Natapov
2005-11-03 13:32 ` Hugh Dickins
2005-11-03 13:55 ` Gleb Natapov
2005-11-03 21:21 ` Benjamin Herrenschmidt
2005-11-02 22:39 ` Petr Vandrovec
2005-11-03 8:12 ` Gleb Natapov
2005-11-03 14:11 ` Hugh Dickins
2005-11-03 14:22 ` Gleb Natapov
2005-11-03 14:37 ` Michael S. Tsirkin
2005-11-03 14:59 ` Hugh Dickins
2005-11-03 15:09 ` Gleb Natapov
2005-11-03 15:14 ` Michael S. Tsirkin
2005-11-03 15:37 ` Hugh Dickins
2005-11-03 15:53 ` Gleb Natapov
2005-11-03 15:56 ` Michael S. Tsirkin
2005-11-08 21:34 ` Michael S. Tsirkin
2005-11-10 12:35 ` Gleb Natapov
2005-11-10 12:48 ` Michael S. Tsirkin
2005-11-10 12:49 ` Gleb Natapov
2005-11-10 13:16 ` Michael S. Tsirkin
2005-11-10 13:16 ` Gleb Natapov [this message]
2005-11-10 13:21 ` Hugh Dickins
2005-11-10 13:26 ` Gleb Natapov
2005-11-10 13:15 ` Hugh Dickins
2005-11-10 13:10 ` Hugh Dickins
2005-11-10 13:37 ` Michael S. Tsirkin
2005-11-10 13:55 ` Hugh Dickins
2005-11-10 14:12 ` Michael S. Tsirkin
2005-11-14 12:25 ` Michael S. Tsirkin
2005-11-14 12:27 ` Gleb Natapov
2005-11-14 12:34 ` Michael S. Tsirkin
2005-11-14 12:40 ` Hugh Dickins
2005-11-14 14:57 ` Michael S. Tsirkin
2005-11-14 15:07 ` Gleb Natapov
2005-11-14 12:41 ` Gleb Natapov
2005-11-14 14:52 ` Michael S. Tsirkin
2005-11-14 15:00 ` Gleb Natapov
2005-11-14 20:23 ` Michael S. Tsirkin
2005-11-15 9:26 ` Gleb Natapov
2005-11-14 15:58 ` Hugh Dickins
2005-11-14 21:17 ` Michael S. Tsirkin
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=20051110131630.GO8942@minantech.com \
--to=gleb@minantech.com \
--cc=benh@kernel.crashing.org \
--cc=hugh@veritas.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mst@mellanox.co.il \
--cc=nickpiggin@yahoo.com.au \
--cc=pbadari@us.ibm.com \
--cc=vandrove@vc.cvut.cz \
/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.