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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>
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1 changed files with 3 additions and 3 deletions
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@ -88,7 +88,7 @@ static void unset_migratetype_isolate(struct page *page, unsigned migratetype)
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zone = page_zone(page);
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spin_lock_irqsave(&zone->lock, flags);
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if (get_pageblock_migratetype(page) != MIGRATE_ISOLATE)
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if (!is_migrate_isolate_page(page))
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goto out;
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/*
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@ -205,7 +205,7 @@ int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
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pfn < end_pfn;
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pfn += pageblock_nr_pages) {
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page = __first_valid_page(pfn, pageblock_nr_pages);
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if (!page || get_pageblock_migratetype(page) != MIGRATE_ISOLATE)
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if (!page || !is_migrate_isolate_page(page))
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continue;
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unset_migratetype_isolate(page, migratetype);
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}
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@ -262,7 +262,7 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
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*/
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for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) {
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page = __first_valid_page(pfn, pageblock_nr_pages);
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if (page && get_pageblock_migratetype(page) != MIGRATE_ISOLATE)
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if (page && !is_migrate_isolate_page(page))
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break;
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}
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page = __first_valid_page(start_pfn, end_pfn - start_pfn);
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