From: Heesub Shin <heesub.s...@samsung.com>
Remove code lines currently not in use or never called.
Signed-off-by: Heesub Shin <heesub.s...@samsung.com>
Acked-by: Vlastimil Babka <vba...@suse.cz>
Cc: Dongjun Shin <d.j.s...@samsung.com>
Cc: Sunghwan Yun <sunghwan....@samsung.com>
Cc: Minchan Kim <minc...@kernel.org>
Cc: Mel Gorman <mgor...@suse.de>
Cc: Joonsoo Kim <iamjoonsoo....@lge.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com>
Cc: Michal Nazarewicz <min...@mina86.com>
Cc: Naoya Horiguchi <n-horigu...@ah.jp.nec.com>
Cc: Christoph Lameter <c...@linux.com>
Cc: Rik van Riel <r...@redhat.com>
Cc: Dongjun Shin <d.j.s...@samsung.com>
Cc: Sunghwan Yun <sunghwan....@samsung.com>
Signed-off-by: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
(cherry picked from commit 13fb44e4b0414d7e718433a49e6430d5b76bd46e)
Signed-off-by: Andrey Ryabinin <aryabi...@virtuozzo.com>
---
mm/compaction.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/mm/compaction.c b/mm/compaction.c
index ee0c1e4aecd7..ea44b4bf85d9 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -210,12 +210,6 @@ 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)
{
@@ -740,7 +734,6 @@ 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
@@ -1169,9 +1162,6 @@ 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));
--
2.13.6
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