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-rw-r--r--mm/compaction.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index 627dc2e4320f..95f7531458f7 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -208,12 +208,6 @@ static bool compact_checklock_irqsave(spinlock_t *lock, unsigned long *flags,
return true;
}
-static inline bool compact_trylock_irqsave(spinlock_t *lock,
- unsigned long *flags, struct compact_control *cc)
-{
- return compact_checklock_irqsave(lock, flags, false, cc);
-}
-
/* Returns true if the page is within a block suitable for migration to */
static bool suitable_migration_target(struct page *page)
{
@@ -736,7 +730,6 @@ static void isolate_freepages(struct zone *zone,
continue;
/* Found a block suitable for isolating free pages from */
- isolated = 0;
/*
* Take care when isolating in last pageblock of a zone which
@@ -1165,9 +1158,6 @@ static void __compact_pgdat(pg_data_t *pgdat, struct compact_control *cc)
if (zone_watermark_ok(zone, cc->order,
low_wmark_pages(zone), 0, 0))
compaction_defer_reset(zone, cc->order, false);
- /* Currently async compaction is never deferred. */
- else if (cc->sync)
- defer_compaction(zone, cc->order);
}
VM_BUG_ON(!list_empty(&cc->freepages));