Searched refs:head_page (Results 1 – 7 of 7) sorted by relevance
| /linux/kernel/trace/ |
| H A D | simple_ring_buffer.c | 95 head = cpu_buffer->head_page; in simple_rb_find_head()
107 cpu_buffer->head_page = head; in simple_rb_find_head()
148 head = cpu_buffer->head_page; in simple_ring_buffer_swap_reader_page()
166 cpu_buffer->head_page = simple_bpage_from_link(reader->link.next); in simple_ring_buffer_swap_reader_page()
167 cpu_buffer->head_page->link.prev = &reader->link; in simple_ring_buffer_swap_reader_page()
349 bpage = cpu_buffer->tail_page = cpu_buffer->head_page; in simple_ring_buffer_reset()
353 } while (bpage != cpu_buffer->head_page); in simple_ring_buffer_reset()
413 cpu_buffer->head_page = bpage + 1; in simple_ring_buffer_init_mm()
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| H A D | trace.h | 970 extern void *head_page(struct trace_array_cpu *data);
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| /linux/drivers/vdpa/vdpa_user/ |
| H A D | iova_domain.c | 293 struct page *head_page = NULL; in vduse_domain_add_user_bounce_pages() local
308 head_page = head_map->bounce_page; in vduse_domain_add_user_bounce_pages()
314 if ((head_page) && (map->orig_phys != INVALID_PHYS_ADDR)) in vduse_domain_add_user_bounce_pages()
319 if ((head_page) && (need_copy)) in vduse_domain_add_user_bounce_pages()
321 page_address(head_page), in vduse_domain_add_user_bounce_pages()
338 struct page *head_page = NULL; in vduse_domain_remove_user_bounce_pages() local
351 head_page = head_map->user_bounce_page; in vduse_domain_remove_user_bounce_pages()
366 head_page, 0, PAGE_SIZE); in vduse_domain_remove_user_bounce_pages()
367 put_page(head_page); in vduse_domain_remove_user_bounce_pages()
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| /linux/Documentation/trace/ |
| H A D | ring-buffer-design.rst | 43 head_page
113 The head_page, tail_page and commit_page are all initialized to point
123 it will swap its page with the head_page. The old reader page will
124 become part of the ring buffer and the head_page will be removed.
421 of the head_page pointer with the swapping of pages with the reader.
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| /linux/drivers/net/ethernet/mellanox/mlx5/core/ |
| H A D | en_rx.c | 1909 struct mlx5e_frag_page *head_page = frag_page; in mlx5e_skb_from_cqe_mpwrq_nonlinear() local
1937 head_addr = netmem_address(head_page->netmem) + head_offset; in mlx5e_skb_from_cqe_mpwrq_nonlinear()
1969 addr = page_pool_get_dma_addr_netmem(head_page->netmem); in mlx5e_skb_from_cqe_mpwrq_nonlinear()
2019 for (pfp = head_page; pfp < frag_page; pfp++) in mlx5e_skb_from_cqe_mpwrq_nonlinear()
2055 pagep = head_page; in mlx5e_skb_from_cqe_mpwrq_nonlinear()
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| /linux/drivers/net/ethernet/freescale/dpaa/ |
| H A D | dpaa_eth.c | 1818 struct page *page, *head_page; in sg_fd_to_skb() local
1879 head_page = virt_to_head_page(sg_vaddr); in sg_fd_to_skb()
1884 (page_address(page) - page_address(head_page)); in sg_fd_to_skb()
1895 skb_add_rx_frag(skb, i - 1, head_page, page_offset, in sg_fd_to_skb()
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| /linux/drivers/net/ethernet/freescale/dpaa2/ |
| H A D | dpaa2-eth.c | 208 struct page *page, *head_page; in dpaa2_eth_build_frag_skb() local
251 head_page = virt_to_head_page(sg_vaddr); in dpaa2_eth_build_frag_skb()
260 (page_address(page) - page_address(head_page)); in dpaa2_eth_build_frag_skb()
262 skb_add_rx_frag(skb, i - 1, head_page, page_offset, in dpaa2_eth_build_frag_skb()
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