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authorLucas Stach <l.stach@pengutronix.de>2016-04-01 23:31:32 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2016-04-02 00:03:37 +0200
commitbbe3de2560280c0420d36a192e69f2772e893cf4 (patch)
treecf6d1c5028d2386bc49a1dbccdb117be484c8d73 /include/trace
parentmm/rmap: batched invalidations should use existing api (diff)
downloadlinux-bbe3de2560280c0420d36a192e69f2772e893cf4.tar.xz
linux-bbe3de2560280c0420d36a192e69f2772e893cf4.zip
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 <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>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/page_isolation.h2
1 files changed, 1 insertions, 1 deletions
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 */