From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: "Vladimir D. Seleznev" <vseleznv@altlinux.org>
Cc: linux-pm@vger.kernel.org, linux-doc@vger.kernel.org,
Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH] Documentation: fix image_size default value
Date: Fri, 14 Sep 2018 10:30:45 +0200 [thread overview]
Message-ID: <3538927.sr2MrGZP7D@aspire.rjw.lan> (raw)
In-Reply-To: <20180901045115.18338-1-vseleznv@altlinux.org>
On Saturday, September 1, 2018 6:51:15 AM CEST Vladimir D. Seleznev wrote:
> This commit updates the default value of /sys/power/image_size in
> the documentation.
>
> Since ac5c24ec1e983313ef0015258fba6f630e54e7cn the `image_size' value is
> set to about 2/5 of RAM, according to kernel/power/snapshot.c:
>
> image_size = ((totalram_pages * 2) / 5) * PAGE_SIZE;
>
> but this change was not reflected everywhere in the documentation.
>
> Signed-off-by: Vladimir D. Seleznev <vseleznv@altlinux.org>
> ---
> Documentation/ABI/testing/sysfs-power | 2 +-
> Documentation/power/swsusp.txt | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-power b/Documentation/ABI/testing/sysfs-power
> index 2f813d644c69..18b7dc929234 100644
> --- a/Documentation/ABI/testing/sysfs-power
> +++ b/Documentation/ABI/testing/sysfs-power
> @@ -99,7 +99,7 @@ Description:
> this file, the suspend image will be as small as possible.
>
> Reading from this file will display the current image size
> - limit, which is set to 500 MB by default.
> + limit, which is set to around 2/5 of available RAM by default.
>
> What: /sys/power/pm_trace
> Date: August 2006
> diff --git a/Documentation/power/swsusp.txt b/Documentation/power/swsusp.txt
> index cc87adf44c0a..236d1fb13640 100644
> --- a/Documentation/power/swsusp.txt
> +++ b/Documentation/power/swsusp.txt
> @@ -56,7 +56,7 @@ If you want to limit the suspend image size to N bytes, do
>
> echo N > /sys/power/image_size
>
> -before suspend (it is limited to 500 MB by default).
> +before suspend (it is limited to around 2/5 of available RAM by default).
>
> . The resume process checks for the presence of the resume device,
> if found, it then checks the contents for the hibernation image signature.
>
Applied, thanks!
prev parent reply other threads:[~2018-09-14 8:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-01 4:51 [PATCH] Documentation: fix image_size default value Vladimir D. Seleznev
2018-09-12 14:45 ` Vladimir D. Seleznev
2018-09-14 8:30 ` Rafael J. Wysocki [this message]
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