diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:46:16 +0900 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:46:16 +0900 |
commit | 69485d3e6d6839b46a56c77d2dffad18cb7d373f (patch) | |
tree | 20e9de1d5fd9f6617b05e759f9326eaffaf743ee /mm/page_isolation.c | |
parent | f2a93e2a4c048dfb5c7ee3f159a4a1d1cb61b4b5 (diff) | |
parent | 7881fd0fb3ecc9e367ba998a4de533e7eecbdfeb (diff) |
Merge remote-tracking branch 'asoc/fix/adsp' into asoc-adsp
Diffstat (limited to 'mm/page_isolation.c')
-rw-r--r-- | mm/page_isolation.c | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c index 9d2264ea460..383bdbb98b0 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -8,28 +8,6 @@ #include <linux/memory.h> #include "internal.h" -/* called while holding zone->lock */ -static void set_pageblock_isolate(struct page *page) -{ - if (get_pageblock_migratetype(page) == MIGRATE_ISOLATE) - return; - - set_pageblock_migratetype(page, MIGRATE_ISOLATE); - page_zone(page)->nr_pageblock_isolate++; -} - -/* called while holding zone->lock */ -static void restore_pageblock_isolate(struct page *page, int migratetype) -{ - struct zone *zone = page_zone(page); - if (WARN_ON(get_pageblock_migratetype(page) != MIGRATE_ISOLATE)) - return; - - BUG_ON(zone->nr_pageblock_isolate <= 0); - set_pageblock_migratetype(page, migratetype); - zone->nr_pageblock_isolate--; -} - int set_migratetype_isolate(struct page *page, bool skip_hwpoisoned_pages) { struct zone *zone; @@ -80,7 +58,7 @@ out: unsigned long nr_pages; int migratetype = get_pageblock_migratetype(page); - set_pageblock_isolate(page); + set_pageblock_migratetype(page, MIGRATE_ISOLATE); nr_pages = move_freepages_block(zone, page, MIGRATE_ISOLATE); __mod_zone_freepage_state(zone, -nr_pages, migratetype); @@ -103,7 +81,7 @@ void unset_migratetype_isolate(struct page *page, unsigned migratetype) goto out; nr_pages = move_freepages_block(zone, page, migratetype); __mod_zone_freepage_state(zone, nr_pages, migratetype); - restore_pageblock_isolate(page, migratetype); + set_pageblock_migratetype(page, migratetype); out: spin_unlock_irqrestore(&zone->lock, flags); } |