Searched refs:head_page (Results 1 – 7 of 7) sorted by relevance
| /Linux-v5.4/kernel/trace/ |
| D | ring_buffer.c | 453 struct buffer_page *head_page; /* read from head */ member
507 struct buffer_page *head_page; member
915 head = cpu_buffer->head_page; in rb_head_page_activate()
1013 if (RB_WARN_ON(cpu_buffer, !cpu_buffer->head_page)) in rb_set_head_page()
1021 page = head = cpu_buffer->head_page; in rb_set_head_page()
1031 cpu_buffer->head_page = page; in rb_set_head_page()
1159 if (cpu_buffer->head_page) in rb_check_pages()
1329 cpu_buffer->head_page in rb_allocate_cpu_buffer()
1331 cpu_buffer->tail_page = cpu_buffer->commit_page = cpu_buffer->head_page; in rb_allocate_cpu_buffer()
1552 cpu_buffer->head_page = list_entry(next_page, in rb_remove_pages()
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| D | trace.h | 847 extern void *head_page(struct trace_array_cpu *data);
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| /Linux-v5.4/drivers/infiniband/core/ |
| D | umem_odp.c | 746 struct page *head_page = compound_head(page); in ib_umem_odp_unmap_dma_pages() local
756 set_page_dirty(head_page); in ib_umem_odp_unmap_dma_pages()
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| /Linux-v5.4/Documentation/trace/ |
| D | ring-buffer-design.txt | 32 head_page - a pointer to the page that the reader will use next
96 The head_page, tail_page and commit_page are all initialized to point
106 it will swap its page with the head_page. The old reader page will
107 become part of the ring buffer and the head_page will be removed.
395 of the head_page pointer with the swapping of pages with the reader.
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| /Linux-v5.4/drivers/net/ethernet/freescale/dpaa/ |
| D | dpaa_eth.c | 1733 struct page *page, *head_page; in sg_fd_to_skb() local
1791 head_page = virt_to_head_page(sg_vaddr); in sg_fd_to_skb()
1796 (page_address(page) - page_address(head_page)); in sg_fd_to_skb()
1806 skb_add_rx_frag(skb, i - 1, head_page, frag_off, in sg_fd_to_skb()
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| /Linux-v5.4/drivers/net/ethernet/freescale/dpaa2/ |
| D | dpaa2-eth.c | 133 struct page *page, *head_page; in build_frag_skb() local
176 head_page = virt_to_head_page(sg_vaddr); in build_frag_skb()
185 (page_address(page) - page_address(head_page)); in build_frag_skb()
187 skb_add_rx_frag(skb, i - 1, head_page, page_offset, in build_frag_skb()
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| /Linux-v5.4/mm/ |
| D | page_alloc.c | 1070 static int free_tail_pages_check(struct page *head_page, struct page *page) in free_tail_pages_check() argument
1084 switch (page - head_page) { in free_tail_pages_check()
1109 if (unlikely(compound_head(page) != head_page)) { in free_tail_pages_check()
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