The Linux Kernel Mailing List
 help / color / mirror / Atom feed
From: sidc7 <siddhartha.chhabra@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: Copy-on-write
Date: Thu, 26 Mar 2009 22:15:46 -0700 (PDT)	[thread overview]
Message-ID: <22736146.post@talk.nabble.com> (raw)


When the kernel does a COW, say from a "src" to a "dest" page, does it need
to map the "src" and "dest" page to its address space or the kernel can
directly initiate the read from "src" and write to "dest" page ?

Thanks,
SC
-- 
View this message in context: http://www.nabble.com/Copy-on-write-tp22736146p22736146.html
Sent from the linux-kernel mailing list archive at Nabble.com.


             reply	other threads:[~2009-03-27  5:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-27  5:15 sidc7 [this message]
2009-03-27  5:35 ` Copy-on-write Bryan Donlan
2009-03-27  6:43   ` Copy-on-write sidc7

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=22736146.post@talk.nabble.com \
    --to=siddhartha.chhabra@gmail.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox