diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-11-11 09:40:18 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-11 09:40:18 +0100 |
| commit | e0cb4ebcd9e5b4ddd8216c20f54445c91b1fa4b9 (patch) | |
| tree | d1c3b22b7e9f02fb56927da530da09c6ee7ce0b9 /mm/page_isolation.c | |
| parent | a309720c876d7ad2e224bfd1982c92ae4364c82e (diff) | |
| parent | 45b86a96f17cb2900f291129b0e67287400e45b2 (diff) | |
Merge branch 'tracing/urgent' into tracing/ftrace
Conflicts:
kernel/trace/trace.c
Diffstat (limited to 'mm/page_isolation.c')
| -rw-r--r-- | mm/page_isolation.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c index b70a7fec1ff..5e0ffd96745 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -130,10 +130,11 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn) if (page && get_pageblock_migratetype(page) != MIGRATE_ISOLATE) break; } - if (pfn < end_pfn) + page = __first_valid_page(start_pfn, end_pfn - start_pfn); + if ((pfn < end_pfn) || !page) return -EBUSY; /* Check all pages are free or Marked as ISOLATED */ - zone = page_zone(pfn_to_page(pfn)); + zone = page_zone(page); spin_lock_irqsave(&zone->lock, flags); ret = __test_page_isolated_in_pageblock(start_pfn, end_pfn); spin_unlock_irqrestore(&zone->lock, flags); |