Lines Matching defs:background
56 * non-background writeback, this is how many pages it will attempt to write.
68 * Start background writeback (via pdflush) at this percentage
106 * Work out the current dirty-memory clamping and background writeout
119 * We make sure that the background writeout level is below the adjusted
167 long background;
187 background = (background_ratio * available_memory) / 100;
191 background += background / 4;
194 *pbackground = background;
266 * starting background writeout, and then write out all the way down
269 * In normal mode, we start background writeout at the lower
362 * memory is less than the background threshold, or until we're all clean.