All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Rohland <cr@sap.com>
To: "Juan J. Quintela" <quintela@fi.udc.es>
Cc: linux-kernel@vger.rutgers.edu, linux-mm@kvack.org
Subject: Re: PATCH: SHM Bug in Highmem machines
Date: 10 May 2000 13:17:28 +0200	[thread overview]
Message-ID: <qwwr9balkmv.fsf@sap.com> (raw)
In-Reply-To: "Juan J. Quintela"'s message of "10 May 2000 04:14:30 +0200"

Hi juan,


"Juan J. Quintela" <quintela@fi.udc.es> writes:
>         I think that SHM can't work in recent kernels, due to the fact 
> that We call prepare_highmem_swapout without locking the page (that is
> necesary with the new semantics).  If we don't do that change, the
> page returned by prepare_highmem_swapout will be already
> locked and our call to lock will sleep forever.
> 
> Later, Juan.
> 
> PD. Christoph, could you see if that helps your problems (you are the only
> person that I know that use highmem & shm).

Yes, your patch fixes the lockup.

Thanks
		Christoph
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux.eu.org/Linux-MM/

      reply	other threads:[~2000-05-10 11:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-05-10  2:14 PATCH: SHM Bug in Highmem machines Juan J. Quintela
2000-05-10 11:17 ` Christoph Rohland [this message]

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=qwwr9balkmv.fsf@sap.com \
    --to=cr@sap.com \
    --cc=linux-kernel@vger.rutgers.edu \
    --cc=linux-mm@kvack.org \
    --cc=quintela@fi.udc.es \
    /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.