From: Russell King <rmk@arm.linux.org.uk>
To: blah@kvack.org
Cc: linux-kernel@vger.rutgers.edu, linux-mm@kvack.org
Subject: Re: shm_alloc and friends
Date: Thu, 25 May 2000 17:04:10 +0100 (BST) [thread overview]
Message-ID: <200005251604.RAA02556@raistlin.arm.linux.org.uk> (raw)
In-Reply-To: <Pine.LNX.3.96.1000525115511.22721B-100000@kanga.kvack.org> from "Benjamin C.R. LaHaise" at May 25, 2000 12:01:18 PM
Benjamin C.R. LaHaise writes:
> Okay, so how about changing the SHM code to make use of pte_alloc and co?
> If we do that, then we can also make the optimisation of sharing ptes for
> really big SHM segments.
It's unneeded that its using indirect pointers - the code in no way is
reliant on a two level scheme at all.
Note that this array is only used so that SHM can keep track of the ptes
its allocated for paging them in/out of memory. It's not used as actual
page tables.
_____
|_____| ------------------------------------------------- ---+---+-
| | Russell King rmk@arm.linux.org.uk --- ---
| | | | http://www.arm.linux.org.uk/~rmk/aboutme.html / / |
| +-+-+ --- -+-
/ | THE developer of ARM Linux |+| /|\
/ | | | --- |
+-+-+ ------------------------------------------------- /\\\ |
--
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/
next prev parent reply other threads:[~2000-05-25 16:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-05-25 14:24 Russell King
2000-05-25 14:31 ` Alan Cox
2000-05-25 14:36 ` Russell King
2000-05-25 14:59 ` Alan Cox
2000-05-25 15:20 ` Russell King
2000-05-25 15:59 ` Alan Cox
2000-05-25 16:01 ` Benjamin C.R. LaHaise
2000-05-25 16:04 ` Russell King [this message]
2000-05-26 14:07 ` Eric W. Biederman
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=200005251604.RAA02556@raistlin.arm.linux.org.uk \
--to=rmk@arm.linux.org.uk \
--cc=blah@kvack.org \
--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