Lines Matching defs:watermark
233 if (unlikely(head - local_read(&rb->wakeup) > rb->watermark))
234 local_add(rb->watermark, &rb->wakeup);
310 ring_buffer_init(struct perf_buffer *rb, long watermark, int flags)
314 if (watermark)
315 rb->watermark = min(max_size, watermark);
317 if (!rb->watermark)
318 rb->watermark = max_size / 2;
672 pgoff_t pgoff, int nr_pages, long watermark, int flags)
686 if (!watermark)
687 watermark = nr_pages << (PAGE_SHIFT - 1);
691 * help PMU drivers honor the watermark.
693 max_order = get_order(watermark);
700 watermark = 0;
759 rb->aux_watermark = watermark;
815 struct perf_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags)
844 ring_buffer_init(rb, watermark, flags);
912 struct perf_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags)
940 ring_buffer_init(rb, watermark, flags);