From 13fb44e4b0414d7e718433a49e6430d5b76bd46e Mon Sep 17 00:00:00 2001 From: Heesub Shin Date: Wed, 4 Jun 2014 16:07:24 -0700 Subject: [PATCH] mm/compaction: clean up unused code lines Remove code lines currently not in use or never called. Signed-off-by: Heesub Shin Acked-by: Vlastimil Babka Cc: Dongjun Shin Cc: Sunghwan Yun Cc: Minchan Kim Cc: Mel Gorman Cc: Joonsoo Kim Cc: Bartlomiej Zolnierkiewicz Cc: Michal Nazarewicz Cc: Naoya Horiguchi Cc: Christoph Lameter Cc: Rik van Riel Cc: Dongjun Shin Cc: Sunghwan Yun Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/compaction.c | 10 ---------- 1 file changed, 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));