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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-01-19 15:27:30 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-01-19 15:27:30 +0000 |
commit | 210b1847b32951f52d19df229972399e5b987de2 (patch) | |
tree | be6eeb3ba76b4f4331c98d5ba47aa233bea8f22d /mm/page_isolation.c | |
parent | 93d5bf073a1e01035be66dc41860b9ae9aa9ccfa (diff) | |
parent | d01723479e6a6c70c83295f7847477a016d5e14a (diff) | |
download | linux-210b1847b32951f52d19df229972399e5b987de2.tar.gz linux-210b1847b32951f52d19df229972399e5b987de2.tar.bz2 linux-210b1847b32951f52d19df229972399e5b987de2.zip |
Merge branch 'for-rmk/virt/hyp-boot/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into fixes
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 9d2264ea4606..383bdbb98b04 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); } |