On Mon 17-03-14 20:49:28, Jan Kara wrote:
> Provide new function get_vaddr_pfns(). This function maps virtual
> addresses from given start and fills given array with page frame numbers of
> the corresponding pages. If given start belongs to a normal vma, the function
> grabs reference to each of t
On Mon 17-03-14 13:53:35, Dave Hansen wrote:
> On 03/17/2014 12:49 PM, Jan Kara wrote:
> > +int get_vaddr_pfns(unsigned long start, int nr_pfns, int write, int force,
> > + struct pinned_pfns *pfns)
> > +{
> ...
> > + if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) {
> > + pfns
On 03/17/2014 12:49 PM, Jan Kara wrote:
> +int get_vaddr_pfns(unsigned long start, int nr_pfns, int write, int force,
> +struct pinned_pfns *pfns)
> +{
...
> + if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) {
> + pfns->got_ref = 1;
> + pfns->is_pages = 1;
>
Provide new function get_vaddr_pfns(). This function maps virtual
addresses from given start and fills given array with page frame numbers of
the corresponding pages. If given start belongs to a normal vma, the function
grabs reference to each of the pages to pin them in memory. If start
belongs t
