The patch titled
Subject: mm: use is_migrate_isolate_page() to simplify the code
has been added to the -mm tree. Its filename is
mm-use-is_migrate_isolate_page-to-simplify-the-code.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-use-is_migrate_isolate_page-to-simplify-the-code.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-use-is_migrate_isolate_page-to-simplify-the-code.patch
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------------------------------------------------------
From: Xishi Qiu <qiuxishi@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx
Signed-off-by: Xishi Qiu <qiuxishi@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_isolation.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/page_isolation.c~mm-use-is_migrate_isolate_page-to-simplify-the-code mm/page_isolation.c
--- a/mm/page_isolation.c~mm-use-is_migrate_isolate_page-to-simplify-the-code
+++ a/mm/page_isolation.c
@@ -88,7 +88,7 @@ static void unset_migratetype_isolate(st
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 lon
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 st
*/
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);
_
Patches currently in -mm which might be from qiuxishi@xxxxxxxxxx are
mm-use-is_migrate_highatomic-to-simplify-the-code.patch
mm-use-is_migrate_isolate_page-to-simplify-the-code.patch
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