The option driver
- violates DMA coherency rules
- allocates ~16500 bytes in one chunk
This patch splits out the buffers and uses __get_free_page() to avoid
higher order allocations.
Signed-off-by: NOliver Neukum <oneukum@suse.de>
Acked-By: NMatthias Urlichs <matthias@urlichs.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>