338 	unsigned int p_mask = pipe->ring_size - 1;  in sanity()  local
350 		p = &pipe->bufs[i_head & p_mask];  in sanity()
381 	unsigned int p_mask = pipe->ring_size - 1;  in copy_page_to_iter_pipe()  local
395 	buf = &pipe->bufs[i_head & p_mask];  in copy_page_to_iter_pipe()
404 		buf = &pipe->bufs[i_head & p_mask];  in copy_page_to_iter_pipe()
498 	unsigned int p_mask = i->pipe->ring_size - 1;  in data_start()  local
502 	if (off && (!allocated(&i->pipe->bufs[iter_head & p_mask]) ||  in data_start()
516 	unsigned int p_mask = pipe->ring_size - 1;  in push_pipe()  local
533 			pipe->bufs[iter_head & p_mask].len += size;  in push_pipe()
536 		pipe->bufs[iter_head & p_mask].len = PAGE_SIZE;  in push_pipe()
540 		struct pipe_buffer *buf = &pipe->bufs[iter_head & p_mask];  in push_pipe()
563 	unsigned int p_mask = pipe->ring_size - 1;  in copy_pipe_to_iter()  local
575 		memcpy_to_page(pipe->bufs[i_head & p_mask].page, off, addr, chunk);  in copy_pipe_to_iter()
598 	unsigned int p_mask = pipe->ring_size - 1;  in csum_and_copy_to_pipe_iter()  local
612 		char *p = kmap_atomic(pipe->bufs[i_head & p_mask].page);  in csum_and_copy_to_pipe_iter()
673 	unsigned int p_mask = pipe->ring_size - 1;  in copy_mc_pipe_to_iter()  local
687 		rem = copy_mc_to_page(pipe->bufs[i_head & p_mask].page,  in copy_mc_pipe_to_iter()
954 	unsigned int p_mask = pipe->ring_size - 1;  in pipe_zero()  local
967 		memzero_page(pipe->bufs[i_head & p_mask].page, off, chunk);  in pipe_zero()
1021 	unsigned int p_mask = pipe->ring_size - 1;  in pipe_truncate()  local
1029 			buf = &pipe->bufs[i_head & p_mask];  in pipe_truncate()
1035 			pipe_buf_release(pipe, &pipe->bufs[p_head & p_mask]);  in pipe_truncate()
1049 		unsigned int p_mask = pipe->ring_size - 1;  in pipe_advance()  local
1054 			left += off - pipe->bufs[i_head & p_mask].offset;  in pipe_advance()
1056 			buf = &pipe->bufs[i_head & p_mask];  in pipe_advance()
1093 		unsigned int p_mask = pipe->ring_size - 1;  in iov_iter_revert()  local
1097 			struct pipe_buffer *b = &pipe->bufs[i_head & p_mask];  in iov_iter_revert()
1109 			b = &pipe->bufs[i_head & p_mask];  in iov_iter_revert()
1235 		unsigned int p_mask = i->pipe->ring_size - 1;  in iov_iter_alignment()  local
1237 		if (size && i->iov_offset && allocated(&i->pipe->bufs[i->head & p_mask]))  in iov_iter_alignment()
1279 	unsigned int p_mask = pipe->ring_size - 1;  in __pipe_get_pages()  local
1287 		get_page(*pages++ = pipe->bufs[iter_head & p_mask].page);  in __pipe_get_pages()