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Groups > linux.kernel > #1364292
| From | Vlastimil Babka <vbabka@suse.cz> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] mm/page_isolation: fix tracepoint to mirror check function behavior |
| Date | 2016-03-24 17:00 +0100 |
| Message-ID | <rgfPX-4J1-3@gated-at.bofh.it> (permalink) |
| References | <rdKdA-1Zz-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 <vbabka@suse.cz>
> ---
> 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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[PATCH] mm/page_isolation: fix tracepoint to mirror check function behavior Lucas Stach <l.stach@pengutronix.de> - 2016-03-17 18:50 +0100
Re: [PATCH] mm/page_isolation: fix tracepoint to mirror check function behavior Vlastimil Babka <vbabka@suse.cz> - 2016-03-24 17:00 +0100
Re: [PATCH] mm/page_isolation: fix tracepoint to mirror check function behavior Vlastimil Babka <vbabka@suse.cz> - 2016-03-24 17:00 +0100
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