On Wed, Oct 01, 2014 at 10:56:36AM +0200, Andrea Arcangeli wrote:
> diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c
> index f74fc0c..cd20669 100644
> --- a/drivers/misc/sgi-gru/grufault.c
> +++ b/drivers/misc/sgi-gru/grufault.c
> @@ -198,8 +198,7 @@ static int non_atomic_pte_lookup(struct vm_area_struct
> *vma,
> #else
> *pageshift = PAGE_SHIFT;
> #endif
> - if (get_user_pages
> - (current, current->mm, vaddr, 1, write, 0, &page, NULL) <= 0)
> + if (get_user_pages_fast(vaddr, 1, write, &page) <= 0)
> return -EFAULT;
> *paddr = page_to_phys(page);
> put_page(page);
> diff --git a/mm/mempolicy.c b/mm/mempolicy.c
> index 8f5330d..6606c10 100644
> --- a/mm/mempolicy.c
> +++ b/mm/mempolicy.c
> @@ -881,7 +881,7 @@ static int lookup_node(struct mm_struct *mm, unsigned
> long addr)
> struct page *p;
> int err;
>
> - err = get_user_pages(current, mm, addr & PAGE_MASK, 1, 0, 0, &p, NULL);
> + err = get_user_pages_fast(addr & PAGE_MASK, 1, 0, &p);
> if (err >= 0) {
> err = page_to_nid(p);
> put_page(p);
I just noticed I need to revert the above two changes... (both weren't
exercised during the testing).
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