diff options
| author | Amerigo Wang <amwang@redhat.com> | 2010-03-05 16:44:17 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-06 14:26:46 -0500 |
| commit | a52712af5a7473b9f85d8499153f4bbfe875f942 (patch) | |
| tree | ca689c75666e488d57108da00a1d429305a5771b /drivers/video/console | |
| parent | 76595f79d76fbe6267a51b3a866a028d150f06d4 (diff) | |
console: limit the range of VGACON_SOFT_SCROLLBACK_SIZE
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>
Tested-by: BuraphaLinux Server <buraphalinuxserver@gmail.com>
Signed-off-by: WANG Cong <amwang@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/console')
| -rw-r--r-- | drivers/video/console/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig index fc7d9bbb548c..8e8f18d29d7a 100644 --- a/drivers/video/console/Kconfig +++ b/drivers/video/console/Kconfig | |||
| @@ -37,6 +37,7 @@ config VGACON_SOFT_SCROLLBACK | |||
| 37 | config VGACON_SOFT_SCROLLBACK_SIZE | 37 | config VGACON_SOFT_SCROLLBACK_SIZE |
| 38 | int "Scrollback Buffer Size (in KB)" | 38 | int "Scrollback Buffer Size (in KB)" |
| 39 | depends on VGACON_SOFT_SCROLLBACK | 39 | depends on VGACON_SOFT_SCROLLBACK |
| 40 | range 1 1024 | ||
| 40 | default "64" | 41 | default "64" |
| 41 | help | 42 | help |
| 42 | Enter the amount of System RAM to allocate for the scrollback | 43 | Enter the amount of System RAM to allocate for the scrollback |