Build scatterlist covering a process' text segment?

[Jonathan Neuschäfer]

On Fri, Jun 17, 2011 at 02:47:25AM +0200, Arvid Brodin wrote:
[...]
> 	/**** User page code ****/
> 
> 	pages = kmalloc(nr_pages * sizeof(*pages), GFP_KERNEL);

kcalloc?

You don't need the zeroing but the overflow check might be useful.

> 	if (!pages) {
> 		retval = -ENOMEM;
> 		goto err_pages;
> 	}

Greetings,
	Jonathan Neuschäfer