wmark_low 5102 mm/page_alloc.c unsigned long wmark_low = 0; wmark_low 5112 mm/page_alloc.c wmark_low += low_wmark_pages(zone); wmark_low 5126 mm/page_alloc.c pagecache -= min(pagecache / 2, wmark_low); wmark_low 5136 mm/page_alloc.c available += reclaimable - min(reclaimable / 2, wmark_low);