Lines Matching defs:start
13 * @start: starting user address
14 * @nr_frames: number of pages / pfns from start to map
19 * This function maps virtual addresses from @start and fills @vec structure
21 * depends on the type of the vma underlying the virtual address). If @start
23 * to pin them in memory. If @start belongs to VM_IO | VM_PFNMAP vma, we don't
38 int get_vaddr_frames(unsigned long start, unsigned int nr_frames,
52 start = untagged_addr(start);
56 vma = find_vma_intersection(mm, start, start + 1);
78 ret = pin_user_pages_locked(start, nr_frames,