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Commit 13fb44e4 authored by Heesub Shin's avatar Heesub Shin Committed by Linus Torvalds
Browse files

mm/compaction: clean up unused code lines 



Remove code lines currently not in use or never called.

Signed-off-by: default avatarHeesub Shin <heesub.shin@samsung.com>
Acked-by: default avatarVlastimil 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5bcc9f86

mm/compaction.c

+0 −10
Original line number Diff line number Diff line
@@ -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));