diff options
| author | Xishi Qiu <qiuxishi@huawei.com> | 2017-05-03 14:52:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-03 15:52:08 -0700 |
| commit | bbf9ce9719b5c64eac7f8483d1da6e8a3d4f98f5 (patch) | |
| tree | 6c9948de3bc096678c5e5e02eb39036421104c97 /mm/page_isolation.c | |
| parent | a6ffdc07847e74cc244c02ab6d0351a4a5d77281 (diff) | |
mm: use is_migrate_isolate_page() to simplify the code
Use is_migrate_isolate_page() to simplify the code, no functional
changes.
Link: http://lkml.kernel.org/r/58B94FB1.8020802@huawei.com
Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_isolation.c')
| -rw-r--r-- | mm/page_isolation.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c index f4e17a57926a..7927bbb54a4e 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -88,7 +88,7 @@ static void unset_migratetype_isolate(struct page *page, unsigned migratetype) zone = page_zone(page); spin_lock_irqsave(&zone->lock, flags); - if (get_pageblock_migratetype(page) != MIGRATE_ISOLATE) + if (!is_migrate_isolate_page(page)) goto out; /* @@ -205,7 +205,7 @@ int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, pfn < end_pfn; pfn += pageblock_nr_pages) { page = __first_valid_page(pfn, pageblock_nr_pages); - if (!page || get_pageblock_migratetype(page) != MIGRATE_ISOLATE) + if (!page || !is_migrate_isolate_page(page)) continue; unset_migratetype_isolate(page, migratetype); } @@ -262,7 +262,7 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, */ for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) { page = __first_valid_page(pfn, pageblock_nr_pages); - if (page && get_pageblock_migratetype(page) != MIGRATE_ISOLATE) + if (page && !is_migrate_isolate_page(page)) break; } page = __first_valid_page(start_pfn, end_pfn - start_pfn); |