| /kernel/events/ |
| D | ring_buffer.c | 175 if (rb->nr_pages) in __perf_output_begin()
235 handle->page = (offset >> page_shift) & (rb->nr_pages - 1); in __perf_output_begin()
330 if (!rb->nr_pages) in ring_buffer_init()
668 pgoff_t pgoff, int nr_pages, long watermark, int flags) in rb_alloc_aux() argument
683 watermark = nr_pages << (PAGE_SHIFT - 1); in rb_alloc_aux()
695 max_order = ilog2(nr_pages); in rb_alloc_aux()
703 if (get_order((unsigned long)nr_pages * sizeof(void *)) > MAX_ORDER) in rb_alloc_aux()
705 rb->aux_pages = kcalloc_node(nr_pages, sizeof(void *), GFP_KERNEL, in rb_alloc_aux()
711 for (rb->aux_nr_pages = 0; rb->aux_nr_pages < nr_pages;) { in rb_alloc_aux()
715 order = min(max_order, ilog2(nr_pages - rb->aux_nr_pages)); in rb_alloc_aux()
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| D | internal.h | 20 int nr_pages; /* nr of data pages */ member
73 if (!pause && rb->nr_pages) in rb_toggle_paused()
80 rb_alloc(int nr_pages, long watermark, int cpu, int flags);
83 pgoff_t pgoff, int nr_pages, long watermark, int flags);
121 return rb->nr_pages << page_order(rb); in data_page_nr()
126 return rb->nr_pages << (PAGE_SHIFT + page_order(rb)); in perf_data_size()
152 handle->page &= rb->nr_pages - 1; \
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| D | core.c | 5819 if (!rb || !rb->nr_pages) { in _perf_ioctl()
6309 unsigned long nr_pages; in perf_mmap() local
6331 nr_pages = (vma_size / PAGE_SIZE) - 1; in perf_mmap()
6343 nr_pages = vma_size / PAGE_SIZE; in perf_mmap()
6365 if (aux_size != vma_size || aux_size != nr_pages * PAGE_SIZE) in perf_mmap()
6369 if (rb_has_aux(rb) && rb->aux_nr_pages != nr_pages) in perf_mmap()
6372 if (!is_power_of_2(nr_pages)) in perf_mmap()
6385 user_extra = nr_pages; in perf_mmap()
6394 if (nr_pages != 0 && !is_power_of_2(nr_pages)) in perf_mmap()
6397 if (vma_size != PAGE_SIZE * (1 + nr_pages)) in perf_mmap()
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| /kernel/power/ |
| D | snapshot.c | 1555 static unsigned long preallocate_image_pages(unsigned long nr_pages, gfp_t mask) in preallocate_image_pages() argument
1559 while (nr_pages > 0) { in preallocate_image_pages()
1570 nr_pages--; in preallocate_image_pages()
1577 static unsigned long preallocate_image_memory(unsigned long nr_pages, in preallocate_image_memory() argument
1586 if (nr_pages < alloc) in preallocate_image_memory()
1587 alloc = nr_pages; in preallocate_image_memory()
1593 static unsigned long preallocate_image_highmem(unsigned long nr_pages) in preallocate_image_highmem() argument
1595 return preallocate_image_pages(nr_pages, GFP_IMAGE | __GFP_HIGHMEM); in preallocate_image_highmem()
1606 static unsigned long preallocate_highmem_fraction(unsigned long nr_pages, in preallocate_highmem_fraction() argument
1610 unsigned long alloc = __fraction(nr_pages, highmem, total); in preallocate_highmem_fraction()
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| D | swap.c | 550 int nr_pages; in save_image() local
563 nr_pages = 0; in save_image()
573 if (!(nr_pages % m)) in save_image()
575 nr_pages / m * 10); in save_image()
576 nr_pages++; in save_image()
689 int nr_pages; in save_image_lzo() local
784 nr_pages = 0; in save_image_lzo()
799 if (!(nr_pages % m)) in save_image_lzo()
801 nr_pages / m * 10); in save_image_lzo()
802 nr_pages++; in save_image_lzo()
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| D | hibernate.c | 255 unsigned nr_pages, char *msg) in swsusp_show_speed() argument
268 k = nr_pages * (PAGE_SIZE / 1024); in swsusp_show_speed()
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| /kernel/bpf/ |
| D | ringbuf.c | 38 int nr_pages; member
67 int nr_pages = nr_meta_pages + nr_data_pages; in bpf_ringbuf_area_alloc() local
95 for (i = 0; i < nr_pages; i++) { in bpf_ringbuf_area_alloc()
98 nr_pages = i; in bpf_ringbuf_area_alloc()
111 rb->nr_pages = nr_pages; in bpf_ringbuf_area_alloc()
116 for (i = 0; i < nr_pages; i++) in bpf_ringbuf_area_alloc()
187 int i, nr_pages = rb->nr_pages; in bpf_ringbuf_free() local
190 for (i = 0; i < nr_pages; i++) in bpf_ringbuf_free()
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| /kernel/ |
| D | watch_queue.c | 249 int ret, i, nr_pages; in watch_queue_set_size() local
260 nr_pages = (nr_notes + WATCH_QUEUE_NOTES_PER_PAGE - 1); in watch_queue_set_size()
261 nr_pages /= WATCH_QUEUE_NOTES_PER_PAGE; in watch_queue_set_size()
262 user_bufs = account_pipe_buffers(pipe->user, pipe->nr_accounted, nr_pages); in watch_queue_set_size()
264 if (nr_pages > pipe->max_usage && in watch_queue_set_size()
272 nr_notes = nr_pages * WATCH_QUEUE_NOTES_PER_PAGE; in watch_queue_set_size()
278 pages = kcalloc(sizeof(struct page *), nr_pages, GFP_KERNEL); in watch_queue_set_size()
282 for (i = 0; i < nr_pages; i++) { in watch_queue_set_size()
298 wqueue->nr_pages = nr_pages; in watch_queue_set_size()
307 (void) account_pipe_buffers(pipe->user, nr_pages, pipe->nr_accounted); in watch_queue_set_size()
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| D | relay.c | 1118 unsigned int pidx, poff, total_len, subbuf_pages, nr_pages; in subbuf_splice_actor() local
1131 .nr_pages = 0, in subbuf_splice_actor()
1153 nr_pages = min_t(unsigned int, subbuf_pages, spd.nr_pages_max); in subbuf_splice_actor()
1155 for (total_len = 0; spd.nr_pages < nr_pages; spd.nr_pages++) { in subbuf_splice_actor()
1165 spd.pages[spd.nr_pages] = rbuf->page_array[pidx]; in subbuf_splice_actor()
1166 spd.partial[spd.nr_pages].offset = poff; in subbuf_splice_actor()
1173 spd.partial[spd.nr_pages].len = this_len; in subbuf_splice_actor()
1174 spd.partial[spd.nr_pages].private = private; in subbuf_splice_actor()
1182 spd.nr_pages++; in subbuf_splice_actor()
1188 if (!spd.nr_pages) in subbuf_splice_actor()
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| D | kexec_core.c | 154 unsigned long nr_pages = totalram_pages(); in sanity_check_segment_list() local
220 if (PAGE_COUNT(image->segment[i].memsz) > nr_pages / 2) in sanity_check_segment_list()
226 if (total_pages > nr_pages / 2) in sanity_check_segment_list()
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| D | resource.c | 440 int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages, in walk_system_ram_range() argument
450 end = ((u64)(start_pfn + nr_pages) << PAGE_SHIFT) - 1; in walk_system_ram_range()
465 static int __is_ram(unsigned long pfn, unsigned long nr_pages, void *arg) in __is_ram() argument
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| D | fork.c | 450 BUG_ON(vm->nr_pages != THREAD_SIZE / PAGE_SIZE); in memcg_charge_kernel_stack()
829 unsigned long nr_pages = totalram_pages(); in set_max_threads() local
835 if (fls64(nr_pages) + fls64(PAGE_SIZE) > 64) in set_max_threads()
838 threads = div64_u64((u64) nr_pages * (u64) PAGE_SIZE, in set_max_threads()
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| /kernel/trace/ |
| D | ring_buffer.c | 496 unsigned long nr_pages; member
811 return buffer->buffers[cpu]->nr_pages; in ring_buffer_nr_pages()
848 size_t nr_pages; in full_hit() local
851 nr_pages = cpu_buffer->nr_pages; in full_hit()
852 if (!nr_pages || !full) in full_hit()
862 return (dirty * 100) >= (full * nr_pages); in full_hit()
1552 long nr_pages, struct list_head *pages) in __rb_allocate_pages() argument
1567 if (i < nr_pages) in __rb_allocate_pages()
1588 for (i = 0; i < nr_pages; i++) { in __rb_allocate_pages()
1626 unsigned long nr_pages) in rb_allocate_pages() argument
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| D | trace.c | 6954 .nr_pages = 0, /* This gets updated below. */ in tracing_splice_read_pipe()
7013 spd.nr_pages = i; in tracing_splice_read_pipe()
8348 spd.nr_pages++; in tracing_buffers_splice_read()
8355 spd.nr_pages = i; in tracing_buffers_splice_read()
8358 if (!spd.nr_pages) { in tracing_buffers_splice_read()
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| /kernel/dma/ |
| D | debug.c | 894 int i, nr_pages; in dma_debug_init() local
907 nr_pages = DIV_ROUND_UP(nr_prealloc_entries, DMA_DEBUG_DYNAMIC_ENTRIES); in dma_debug_init()
908 for (i = 0; i < nr_pages; ++i) in dma_debug_init()
1068 for (i = 0; i < stack_vm_area->nr_pages; i++) { in check_for_stack()
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| /kernel/rcu/ |
| D | tree.c | 3448 int nr_pages; in fill_page_cache_func() local
3452 nr_pages = atomic_read(&krcp->backoff_page_cache_fill) ? in fill_page_cache_func()
3455 for (i = 0; i < nr_pages; i++) { in fill_page_cache_func()
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