Searched refs:head_page (Results 1 – 5 of 5) sorted by relevance
467 struct buffer_page *head_page; /* read from head */ member517 struct buffer_page *head_page; member883 head = cpu_buffer->head_page; in rb_head_page_activate()981 if (RB_WARN_ON(cpu_buffer, !cpu_buffer->head_page)) in rb_set_head_page()989 page = head = cpu_buffer->head_page; in rb_set_head_page()999 cpu_buffer->head_page = page; in rb_set_head_page()1135 if (cpu_buffer->head_page) in rb_check_pages()1273 cpu_buffer->head_page in rb_allocate_cpu_buffer()1275 cpu_buffer->tail_page = cpu_buffer->commit_page = cpu_buffer->head_page; in rb_allocate_cpu_buffer()1515 cpu_buffer->head_page = list_entry(next_page, in rb_remove_pages()[all …]
694 extern void *head_page(struct trace_array_cpu *data);
648 struct page *head_page = compound_head(page); in ib_umem_odp_unmap_dma_pages() local658 set_page_dirty(head_page); in ib_umem_odp_unmap_dma_pages()
32 head_page - a pointer to the page that the reader will use next96 The head_page, tail_page and commit_page are all initialized to point106 it will swap its page with the head_page. The old reader page will107 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.
786 static int free_tail_pages_check(struct page *head_page, struct page *page) in free_tail_pages_check() argument794 if (unlikely(page->first_page != head_page)) { in free_tail_pages_check()