Re: [PATCH] ipw2200 stack reduction

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 2005-12-28 at 22:29 +0100, Jens Axboe wrote:
> The reason is the host_cmd structure is large (500 bytes). All other
> functions currently using ipw_send_cmd() suffer from the same problem.
> This patch introduces ipw_send_cmd_simple() for commands with no data
> transfer, and ipw_send_cmd_pdu() for commands with a data payload.

Hi Jens,

Thanks for point this out and provide the patch. One comment:

> +static struct host_cmd *ipw_host_cmd_get(u8 command, u8 len)
>  {
> ...
> +       cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);

This will still alloc 500 bytes for each command. I think if we want to
dynamically alloc the struct, we can split the struct to head and
payload and alloc the payload according to the real size.

Thanks,
-yi

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux