* get_user_pages_fast() - pin user pages in memory
* @start: starting user address
* @nr_pages: number of pages from start to pin
- * @write: whether pages will be written to
+ * @gup_flags: flags modifying pin behaviour
* @pages: array that receives pointers to the pages pinned.
* Should be at least nr_pages long.
*
* requested. If nr_pages is 0 or negative, returns 0. If no pages
* were pinned, returns -errno.
*/
-int get_user_pages_fast(unsigned long start, int nr_pages, int write,
- struct page **pages)
+int get_user_pages_fast(unsigned long start, int nr_pages,
+ unsigned int gup_flags, struct page **pages)
{
struct mm_struct *mm = current->mm;
unsigned long addr, len, end;
next = pgd_addr_end(addr, end);
if (pgd_none(pgd))
goto slow;
- if (!gup_pud_range(pgd, addr, next, write, pages, &nr))
+ if (!gup_pud_range(pgd, addr, next, gup_flags & FOLL_WRITE,
+ pages, &nr))
goto slow;
} while (pgdp++, addr = next, addr != end);
local_irq_enable();
ret = get_user_pages_unlocked(start,
(end - start) >> PAGE_SHIFT, pages,
- write ? FOLL_WRITE : 0);
+ gup_flags);
/* Have to be a bit careful with return values */
if (nr > 0) {