Re: [PATCH] mm/page_isolation: fix tracepoint to mirror check function behavior
From: Vlastimil Babka <hidden>
Date: 2016-03-24 15:51:21
Also in:
lkml
On 03/17/2016 06:40 PM, Lucas Stach wrote:
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.
Right.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Vlastimil Babka <redacted>
quoted hunk ↗ jump to hunk
--- include/trace/events/page_isolation.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/include/trace/events/page_isolation.h b/include/trace/events/page_isolation.h index 6fb644029c80..8738a78e6bf4 100644 --- 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 */
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