mm/page_isolation: fix tracepoint to mirror check function behavior

Page isolation has not failed if the fin pfn extends beyond the end pfn and test_pages_isolated checks this correctly. Fix the tracepoint to report the same result as the actual check function. Signed-off-by: Lucas Stach <[email protected]> Acked-by: Vlastimil Babka <[email protected]> Cc: Joonsoo Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
akeromi · Apr 1, 2016 · bbe3de2 · bbe3de2
1 parent 858eaaa
commit bbe3de2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/trace/events/page_isolation.h b/include/trace/events/page_isolation.h
@@ -29,7 +29,7 @@ TRACE_EVENT(test_pages_isolated,
 
 	TP_printk("start_pfn=0x%lx end_pfn=0x%lx fin_pfn=0x%lx ret=%s",
 		__entry->start_pfn, __entry->end_pfn, __entry->fin_pfn,
-		__entry->end_pfn == __entry->fin_pfn ? "success" : "fail")
+		__entry->end_pfn <= __entry->fin_pfn ? "success" : "fail")
 );
 
 #endif /* _TRACE_PAGE_ISOLATION_H */