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-rw-r--r--mm/vmscan.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 38d6d06c955f..a386454c015a 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2459,7 +2459,7 @@ static bool shrink_zone(struct zone *zone, struct scan_control *sc,
* Returns true if compaction should go ahead for a high-order request, or
* the high-order allocation would succeed without compaction.
*/
-static inline bool compaction_ready(struct zone *zone, int order)
+static inline bool compaction_ready(struct zone *zone, int order, int classzone_idx)
{
unsigned long balance_gap, watermark;
bool watermark_ok;
@@ -2473,7 +2473,7 @@ static inline bool compaction_ready(struct zone *zone, int order)
balance_gap = min(low_wmark_pages(zone), DIV_ROUND_UP(
zone->managed_pages, KSWAPD_ZONE_BALANCE_GAP_RATIO));
watermark = high_wmark_pages(zone) + balance_gap + (2UL << order);
- watermark_ok = zone_watermark_ok_safe(zone, 0, watermark, 0);
+ watermark_ok = zone_watermark_ok_safe(zone, 0, watermark, classzone_idx);
/*
* If compaction is deferred, reclaim up to a point where
@@ -2486,7 +2486,7 @@ static inline bool compaction_ready(struct zone *zone, int order)
* If compaction is not ready to start and allocation is not likely
* to succeed without it, then keep reclaiming.
*/
- if (compaction_suitable(zone, order, 0, 0) == COMPACT_SKIPPED)
+ if (compaction_suitable(zone, order, 0, classzone_idx) == COMPACT_SKIPPED)
return false;
return watermark_ok;
@@ -2566,7 +2566,7 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc)
if (IS_ENABLED(CONFIG_COMPACTION) &&
sc->order > PAGE_ALLOC_COSTLY_ORDER &&
zonelist_zone_idx(z) <= requested_highidx &&
- compaction_ready(zone, sc->order)) {
+ compaction_ready(zone, sc->order, requested_highidx)) {
sc->compaction_ready = true;
continue;
}