All of lore.kernel.org
 help / color / mirror / Atom feed
From: Cong Wang <amwang@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: akpm@linux-foundation.org,
	"David S. Miller" <davem@davemloft.net>,
	BuraphaLinux Server <buraphalinuxserver@gmail.com>,
	"Justin P. Mattock" <justinmattock@gmail.com>,
	Randy Dunlap <rdunlap@xenotime.net>
Subject: Re: [Patch] console: limit the range of VGACON_SOFT_SCROLLBACK_SIZE
Date: Fri, 25 Dec 2009 10:46:00 +0800	[thread overview]
Message-ID: <4B342768.8080603@redhat.com> (raw)
In-Reply-To: <20091225024340.4431.59297.sendpatchset@localhost.localdomain>

Adding some Cc's in the original thread. :)

Amerigo Wang wrote:
> BuraphaLinux reported that we will trigger a mm warning when
> we CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=65536, this is because
> mm cann't allocate so many pages. We should limit the range
> of CONFIG_VGACON_SOFT_SCROLLBACK_SIZE, don't give a user
> any chance to trigger that.
> 
> Reported-by: BuraphaLinux Server <buraphalinuxserver@gmail.com>
> Signed-off-by: WANG Cong <amwang@redhat.com>
> Cc: David S. Miller <davem@davemloft.net>
> 
> ---
> diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
> index fc7d9bb..8e8f18d 100644
> --- a/drivers/video/console/Kconfig
> +++ b/drivers/video/console/Kconfig
> @@ -37,6 +37,7 @@ config VGACON_SOFT_SCROLLBACK
>  config VGACON_SOFT_SCROLLBACK_SIZE
>         int "Scrollback Buffer Size (in KB)"
>         depends on VGACON_SOFT_SCROLLBACK
> +       range 1 1024
>         default "64"
>         help
>           Enter the amount of System RAM to allocate for the scrollback


  reply	other threads:[~2009-12-25  2:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-25  2:40 [Patch] console: limit the range of VGACON_SOFT_SCROLLBACK_SIZE Amerigo Wang
2009-12-25  2:46 ` Cong Wang [this message]
2009-12-25 13:59 ` BuraphaLinux Server

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=4B342768.8080603@redhat.com \
    --to=amwang@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=buraphalinuxserver@gmail.com \
    --cc=davem@davemloft.net \
    --cc=justinmattock@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rdunlap@xenotime.net \
    /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.