Subject: Re: [PATCH V2] cdc_ncm: Add support for moving NDP to end of NCM frame

From: Oliver Neukum <[email-masked]>
Date: Mon, 06 Jul 2015 12:08:16 +0200

On Sun, 2015-07-05 at 12:21 +0200, Enrico Mioso wrote:
> When sending lots of small packets, this patch will generate an "Unable to 
> handle kernel paging request" in the memset call:
> ndp16 = memset(ctx->delayed_ndp16, 0, ctx->max_ndp_size);
> And I don't know why.
> Any comment or suggestion would be greatly apreciated.
> This has been reproduced in a QEMU X86 VM, from kernel 4.0.4 to current git.

I cannot see how this can fail and the preceding copy work.
Can you post the full message?

	Regards
		Oliver