forked from Minki/linux
bbe3de2560
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 <l.stach@pengutronix.de> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Joonsoo Kim <js1304@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
39 lines
904 B
C
39 lines
904 B
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM page_isolation
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#if !defined(_TRACE_PAGE_ISOLATION_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_PAGE_ISOLATION_H
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#include <linux/tracepoint.h>
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TRACE_EVENT(test_pages_isolated,
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TP_PROTO(
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unsigned long start_pfn,
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unsigned long end_pfn,
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unsigned long fin_pfn),
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TP_ARGS(start_pfn, end_pfn, fin_pfn),
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TP_STRUCT__entry(
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__field(unsigned long, start_pfn)
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__field(unsigned long, end_pfn)
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__field(unsigned long, fin_pfn)
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),
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TP_fast_assign(
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__entry->start_pfn = start_pfn;
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__entry->end_pfn = end_pfn;
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__entry->fin_pfn = fin_pfn;
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),
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TP_printk("start_pfn=0x%lx end_pfn=0x%lx fin_pfn=0x%lx ret=%s",
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__entry->start_pfn, __entry->end_pfn, __entry->fin_pfn,
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__entry->end_pfn <= __entry->fin_pfn ? "success" : "fail")
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);
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#endif /* _TRACE_PAGE_ISOLATION_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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