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mm/compaction: clean up unused code lines 

Remove code lines currently not in use or never called.

Signed-off-by: Heesub Shin <heesub.shin@samsung.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Dongjun Shin <d.j.shin@samsung.com>
Cc: Sunghwan Yun <sunghwan.yun@samsung.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Dongjun Shin <d.j.shin@samsung.com>
Cc: Sunghwan Yun <sunghwan.yun@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Heesub Shin 2014-06-04 16:07:24 -07:00 committed by Linus Torvalds
parent 5bcc9f86ef
commit 13fb44e4b0
1 changed files with 0 additions and 10 deletions
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10
mm/compaction.c
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@ -208,12 +208,6 @@ static bool compact_checklock_irqsave(spinlock_t *lock, unsigned long *flags,
return true; 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 */ /* Returns true if the page is within a block suitable for migration to */
static bool suitable_migration_target(struct page *page) static bool suitable_migration_target(struct page *page)
{ {
@ -736,7 +730,6 @@ static void isolate_freepages(struct zone *zone,
continue; continue;
/* Found a block suitable for isolating free pages from */ /* Found a block suitable for isolating free pages from */
isolated = 0;
/* /*
* Take care when isolating in last pageblock of a zone which * 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, if (zone_watermark_ok(zone, cc->order,
low_wmark_pages(zone), 0, 0)) low_wmark_pages(zone), 0, 0))
compaction_defer_reset(zone, cc->order, false); 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)); VM_BUG_ON(!list_empty(&cc->freepages));