From: Per Olofsson <pelle@debian.org>
To: Bojan Smojver <bojan@rexursive.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v9]: Hibernation: fix the number of pages used for hibernate/thaw buffering
Date: Tue, 10 Apr 2012 10:40:34 +0200 [thread overview]
Message-ID: <4F83F202.2080600@debian.org> (raw)
In-Reply-To: <1334026047.2103.23.camel@shrek.rexursive.com>
On 2012-04-10 04:47, Bojan Smojver wrote:
> +/*
> + * Number of free pages that are not high.
> + */
> +static unsigned long low_free_pages(void)
> +{
> + struct zone *zone;
> + unsigned long free = 0;
> +
> + for_each_populated_zone(zone)
> + if (!is_highmem(zone))
> + free += zone_page_state(zone, NR_FREE_PAGES);
> + return free;
> +}
Nitpick: it should be faster to calculate "nr_free_pages() -
nr_free_highpages()", at least on systems without high pages. But
perhaps it does not matter.
--
Pelle
next prev parent reply other threads:[~2012-04-10 8:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-10 2:47 [PATCH v9]: Hibernation: fix the number of pages used for hibernate/thaw buffering Bojan Smojver
2012-04-10 8:40 ` Per Olofsson [this message]
2012-04-10 9:19 ` Bojan Smojver
2012-04-10 9:22 ` Per Olofsson
2012-04-10 9:27 ` Bojan Smojver
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=4F83F202.2080600@debian.org \
--to=pelle@debian.org \
--cc=bojan@rexursive.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rjw@sisk.pl \
/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.