zone_watermark_ok
bool zone_watermark_ok(struct zone *z, unsigned int order,
if (zone_watermark_ok(zone, 0,
if (!zone_watermark_ok(zone, 0,
zone_watermark_ok(zone, 0, high_wmark_pages(zone),
if (!zone_watermark_ok(zone, 0, watermark, 0, ALLOC_CMA))
if (zone_watermark_ok(zone, order, mark,
if (zone_watermark_ok(zone, 0, min_wmark_pages(zone),
if (!zone_watermark_ok(zone, 0, watermark, 0, ALLOC_CMA))
if (managed_zone(zone) && !zone_watermark_ok(zone, 0, size, sc->reclaim_idx, 0))
if (zone_watermark_ok(zone, sc->order, watermark,
if (zone_watermark_ok(zone, sc->order, min_wmark_pages(zone),