All of lore.kernel.org
 help / color / mirror / Atom feed
From: sasha <sasha@scalemp.com>
To: linux-kernel@vger.kernel.org
Subject: Map memory to user, then map it back to kernel
Date: Wed, 09 Aug 2006 10:17:07 +0300	[thread overview]
Message-ID: <44D98BF3.5060706@scalemp.com> (raw)

Hi folks.

I am looking for a way to map a memory (allocated with get_free_pages()) 
from kernel space to user space, so that I will later be able to map it 
back with get_user_pages().

I tried remap_pfn_range(), but it didn't work as it assumes the memory 
being mapped is IO range (marking vma with VM_IO flag), while 
get_user_pages() works on regular memory.

Any ideas?

Thanks.
Alexander Sandler.

PS: Please CC to me.

             reply	other threads:[~2006-08-09  7:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-09  7:17 sasha [this message]
2006-08-09 14:32 ` Map memory to user, then map it back to kernel Jiri Slaby

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=44D98BF3.5060706@scalemp.com \
    --to=sasha@scalemp.com \
    --cc=linux-kernel@vger.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.