From: Rik van Riel <H.H.vanRiel@fys.ruu.nl>
To: Chirayu Patel <chirayu@wipro.tcpn.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.rutgers.edu
Subject: Re: shrink_mmap ()?
Date: Thu, 26 Mar 1998 14:09:47 +0100 (MET) [thread overview]
Message-ID: <Pine.LNX.3.91.980326140853.1002A-100000@mirkwood.dummy.home> (raw)
In-Reply-To: <Pine.SUN.3.95.980326175034.17975N-100000@Kabini>
On Thu, 26 Mar 1998, Chirayu Patel wrote:
> I was going through the source for shrink_mmap.......
>
> We are freeing a page with count = 1 (referenced by one process only) but
> we are not manipulating any page table entries. Why? Shouldnt we be
> manipulating the page table entries or where are the page table entries
> getting manipulated?
>
> I know I have missed something terribly obvious over here. Can someone
> please help me out.
When the count is 1, the page cache _is_ the only reference to
the page.
Rik.
+-------------------------------------------+--------------------------+
| Linux: - LinuxHQ MM-patches page | Scouting webmaster |
| - kswapd ask-him & complain-to guy | Vries cubscout leader |
| http://www.fys.ruu.nl/~riel/ | <H.H.vanRiel@fys.ruu.nl> |
+-------------------------------------------+--------------------------+
prev parent reply other threads:[~1998-03-26 13:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-03-26 12:34 Chirayu Patel
1998-03-26 13:09 ` Rik van Riel [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=Pine.LNX.3.91.980326140853.1002A-100000@mirkwood.dummy.home \
--to=h.h.vanriel@fys.ruu.nl \
--cc=chirayu@wipro.tcpn.com \
--cc=linux-kernel@vger.rutgers.edu \
--cc=linux-mm@kvack.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