diff options
Diffstat (limited to 'mm/page_isolation.c')
| -rw-r--r-- | mm/page_isolation.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c index 029a171d35dc..f484b9300fe3 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -9,6 +9,9 @@ #include <linux/hugetlb.h> #include "internal.h" +#define CREATE_TRACE_POINTS +#include <trace/events/page_isolation.h> + static int set_migratetype_isolate(struct page *page, bool skip_hwpoisoned_pages) { @@ -268,6 +271,8 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, skip_hwpoisoned_pages); spin_unlock_irqrestore(&zone->lock, flags); + trace_test_pages_isolated(start_pfn, end_pfn, pfn); + return pfn < end_pfn ? -EBUSY : 0; } |