2026 	unsigned long offset;  in shmem_get_unmapped_area()  local
2080 	offset = (pgoff << PAGE_SHIFT) & (HPAGE_PMD_SIZE-1);  in shmem_get_unmapped_area()
2081 	if (offset && offset + len < 2 * HPAGE_PMD_SIZE)  in shmem_get_unmapped_area()
2083 	if ((addr & (HPAGE_PMD_SIZE-1)) == offset)  in shmem_get_unmapped_area()
2099 	inflated_addr += offset - inflated_offset;  in shmem_get_unmapped_area()
2100 	if (inflated_offset > offset)  in shmem_get_unmapped_area()
2267 	pgoff_t offset, max_off;  in shmem_mfill_atomic_pte()  local
2306 	offset = linear_page_index(dst_vma, dst_addr);  in shmem_mfill_atomic_pte()
2308 	if (unlikely(offset >= max_off))  in shmem_mfill_atomic_pte()
2343 	if (unlikely(offset >= max_off))  in shmem_mfill_atomic_pte()
2478 	unsigned long offset;  in shmem_file_read_iter()  local
2493 	offset = *ppos & ~PAGE_MASK;  in shmem_file_read_iter()
2506 			if (nr <= offset)  in shmem_file_read_iter()
2531 			if (nr <= offset) {  in shmem_file_read_iter()
2537 		nr -= offset;  in shmem_file_read_iter()
2550 			if (!offset)  in shmem_file_read_iter()
2561 		ret = copy_page_to_iter(page, offset, nr, to);  in shmem_file_read_iter()
2563 		offset += ret;  in shmem_file_read_iter()
2564 		index += offset >> PAGE_SHIFT;  in shmem_file_read_iter()
2565 		offset &= ~PAGE_MASK;  in shmem_file_read_iter()
2577 	*ppos = ((loff_t) index << PAGE_SHIFT) + offset;  in shmem_file_read_iter()
2632 static loff_t shmem_file_llseek(struct file *file, loff_t offset, int whence)  in shmem_file_llseek()  argument
2640 		return generic_file_llseek_size(file, offset, whence,  in shmem_file_llseek()
2645 	if (offset < 0 || offset >= inode->i_size)  in shmem_file_llseek()
2646 		offset = -ENXIO;  in shmem_file_llseek()
2648 		start = offset >> PAGE_SHIFT;  in shmem_file_llseek()
2652 		if (new_offset > offset) {  in shmem_file_llseek()
2654 				offset = new_offset;  in shmem_file_llseek()
2656 				offset = -ENXIO;  in shmem_file_llseek()
2658 				offset = inode->i_size;  in shmem_file_llseek()
2662 	if (offset >= 0)  in shmem_file_llseek()
2663 		offset = vfs_setpos(file, offset, MAX_LFS_FILESIZE);  in shmem_file_llseek()
2665 	return offset;  in shmem_file_llseek()
2892 static long shmem_fallocate(struct file *file, int mode, loff_t offset,  in shmem_fallocate()  argument
2909 		loff_t unmap_start = round_up(offset, PAGE_SIZE);  in shmem_fallocate()
2910 		loff_t unmap_end = round_down(offset + len, PAGE_SIZE) - 1;  in shmem_fallocate()
2929 		shmem_truncate_range(inode, offset, offset + len - 1);  in shmem_fallocate()
2942 	error = inode_newsize_ok(inode, offset + len);  in shmem_fallocate()
2946 	if ((info->seals & F_SEAL_GROW) && offset + len > inode->i_size) {  in shmem_fallocate()
2951 	start = offset >> PAGE_SHIFT;  in shmem_fallocate()
2952 	end = (offset + len + PAGE_SIZE - 1) >> PAGE_SHIFT;  in shmem_fallocate()
3012 	if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + len > inode->i_size)  in shmem_fallocate()
3013 		i_size_write(inode, offset + len);  in shmem_fallocate()