From: eric@biederman.org (Eric W. Biederman)
To: linux-mm@kvack.org
Subject: Re: shm_alloc and friends
Date: 26 May 2000 09:07:37 -0500 [thread overview]
Message-ID: <m1ya4xl80m.fsf@frodo.biederman.org> (raw)
In-Reply-To: Russell King's message of "Thu, 25 May 2000 15:36:16 +0100 (BST)"
Russell King <rmk@arm.linux.org.uk> writes:
> Alan Cox writes:
> > > Problems:
> > > - memsetting the vmalloced area to initialise the pte's.
> > > (Note: pte_clear can't be used, because that is expected to be used
> >
> > Sorry that breaks S/390. You cannot use memset here.
>
> Suggestions on a fix for that?
Purge pte_t from the code. Just use swp_entry_t.
The page cache has all of the necessary mechanisms for testing
to see if a page is present or not already.
That should make memset safe as well...
Eric
--
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/
prev parent reply other threads:[~2000-05-26 14:07 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
2000-05-26 14:07 ` Eric W. Biederman [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=m1ya4xl80m.fsf@frodo.biederman.org \
--to=eric@biederman.org \
--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