linux-master/mm/mmap.c

883 	pgoff_t pglen = (end - addr) >> PAGE_SHIFT;
1031 		adjust->vm_pgoff += adj_start >> PAGE_SHIFT;
1071 		b->vm_pgoff == a->vm_pgoff + ((b->vm_start - a->vm_start) >> PAGE_SHIFT);
1170 	locked_pages = bytes >> PAGE_SHIFT;
1174 	limit_pages >>= PAGE_SHIFT;
1206 	if (pgoff > maxsize >> PAGE_SHIFT)
1251 	if ((pgoff + (len >> PAGE_SHIFT)) < pgoff)
1376 			pgoff = addr >> PAGE_SHIFT;
1477 			       a.offset >> PAGE_SHIFT);
1999 	if (!mlock_future_ok(mm, vma->vm_flags, grow << PAGE_SHIFT))
2081 		grow = (address - vma->vm_end) >> PAGE_SHIFT;
2084 		if (vma->vm_pgoff + (size >> PAGE_SHIFT) >= vma->vm_pgoff) {
2173 		grow = (vma->vm_start - address) >> PAGE_SHIFT;
2211 unsigned long stack_guard_gap = 256UL<<PAGE_SHIFT;
2220 		stack_guard_gap = val << PAGE_SHIFT;
2402 		new->vm_pgoff += ((addr - vma->vm_start) >> PAGE_SHIFT);
2434 		vma->vm_pgoff += (addr - new->vm_start) >> PAGE_SHIFT;
2491 	pgoff_t pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
2785 	pgoff_t pglen = len >> PAGE_SHIFT;
2795 	if (!may_expand_vm(mm, vm_flags, len >> PAGE_SHIFT)) {
2805 					(len >> PAGE_SHIFT) - nr_pages))
2820 		charged = len >> PAGE_SHIFT;
2976 	vm_stat_account(mm, vm_flags, len >> PAGE_SHIFT);
2983 			mm->locked_vm += (len >> PAGE_SHIFT);
3084 	if (pgoff + (size >> PAGE_SHIFT) < pgoff)
3198 	if (!may_expand_vm(mm, flags, len >> PAGE_SHIFT))
3204 	if (security_vm_enough_memory_mm(mm, len >> PAGE_SHIFT))
3213 				addr >> PAGE_SHIFT, NULL_VM_UFFD_CTX, NULL)) {
3240 	vma_set_range(vma, addr, addr + len, addr >> PAGE_SHIFT);
3252 	mm->total_vm += len >> PAGE_SHIFT;
3253 	mm->data_vm += len >> PAGE_SHIFT;
3255 		mm->locked_vm += (len >> PAGE_SHIFT);
3262 	vm_unacct_memory(len >> PAGE_SHIFT);
3410 		vma->vm_pgoff = vma->vm_start >> PAGE_SHIFT;
3442 		pgoff = addr >> PAGE_SHIFT;
3514 	if (mm->total_vm + npages > rlimit(RLIMIT_AS) >> PAGE_SHIFT)
3518 	    mm->data_vm + npages > rlimit(RLIMIT_DATA) >> PAGE_SHIFT) {
3521 		    mm->data_vm + npages <= rlimit_max(RLIMIT_DATA) >> PAGE_SHIFT)
3526 			     (mm->data_vm + npages) << PAGE_SHIFT,
3657 	vm_stat_account(mm, vma->vm_flags, len >> PAGE_SHIFT);
3680  * The array can be shorter than len >> PAGE_SHIFT if it's null-terminated.