Lines Matching defs:scanned
25 * The window size (vmpressure_win) is the number of scanned pages before
26 * we try to analyze scanned/reclaimed ratio. So the window is used as a
42 * scanned/reclaimed ratio. The current values were chosen empirically. In
120 static enum vmpressure_levels vmpressure_calc_level(unsigned long scanned,
123 unsigned long scale = scanned + reclaimed;
127 * reclaimed can be greater than scanned for things such as reclaimed
129 * related increment to scanned pages.
131 if (reclaimed >= scanned)
135 * scanned vs. reclaimed in a given time frame (window). Note that
137 * scanned. This makes it possible to set desired reaction time
140 pressure = scale - (reclaimed * scale / scanned);
145 scanned, reclaimed);
183 unsigned long scanned;
194 * just after the old work returns, but then scanned might be zero
198 scanned = vmpr->tree_scanned;
199 if (!scanned) {
209 level = vmpressure_calc_level(scanned, reclaimed);
219 * vmpressure() - Account memory pressure through scanned/reclaimed ratio
223 * @scanned: number of pages scanned
227 * "instantaneous" memory pressure (scanned/reclaimed ratio). The raw
240 unsigned long scanned, unsigned long reclaimed)
272 * If we got here with no pages scanned, then that is an indicator
279 if (!scanned)
284 scanned = vmpr->tree_scanned += scanned;
288 if (scanned < vmpressure_win)
299 scanned = vmpr->scanned += scanned;
301 if (scanned < vmpressure_win) {
305 vmpr->scanned = vmpr->reclaimed = 0;
308 level = vmpressure_calc_level(scanned, reclaimed);
347 * range vmscan. Passing scanned = vmpressure_win, reclaimed = 0