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SubjectRe: [Patch] console: limit the range of VGACON_SOFT_SCROLLBACK_SIZE
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



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