tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6fa6381cb550382528be4392e210be69928f0bcd commit: e06fac8c4a90db00a27c5f1514e8936774b17f2d [8024/8887] mm/page_ref: add tracepoint to track down page reference manipulation config: xtensa-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout e06fac8c4a90db00a27c5f1514e8936774b17f2d # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): In file included from mm/debug_page_ref.c:1:0: >> include/trace/events/page_ref.h:47:18: warning: 'struct page' declared inside parameter list TP_PROTO(struct page *page, int v), ^ include/linux/tracepoint.h:186:34: note: in definition of macro '__DECLARE_TRACE' static inline void trace_##name(proto) \ ^ include/linux/tracepoint.h:349:25: note: in expansion of macro 'PARAMS' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \ ^ include/linux/tracepoint.h:472:2: note: in expansion of macro 'DECLARE_TRACE' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:472:22: note: in expansion of macro 'PARAMS' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ >> include/trace/events/page_ref.h:45:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(page_ref_mod_template, page_ref_set, ^ >> include/trace/events/page_ref.h:47:2: note: in expansion of macro 'TP_PROTO' TP_PROTO(struct page *page, int v), ^ >> include/trace/events/page_ref.h:47:18: warning: its scope is only this definition or declaration, which is probably not what you want TP_PROTO(struct page *page, int v), ^ include/linux/tracepoint.h:186:34: note: in definition of macro '__DECLARE_TRACE' static inline void trace_##name(proto) \ ^ include/linux/tracepoint.h:349:25: note: in expansion of macro 'PARAMS' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \ ^ include/linux/tracepoint.h:472:2: note: in expansion of macro 'DECLARE_TRACE' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:472:22: note: in expansion of macro 'PARAMS' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ >> include/trace/events/page_ref.h:45:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(page_ref_mod_template, page_ref_set, ^ >> include/trace/events/page_ref.h:47:2: note: in expansion of macro 'TP_PROTO' TP_PROTO(struct page *page, int v), ^ >> include/trace/events/page_ref.h:47:18: warning: 'struct page' declared inside parameter list TP_PROTO(struct page *page, int v), ^ include/linux/tracepoint.h:158:44: note: in definition of macro '__DECLARE_TRACE_RCU' static inline void trace_##name##_rcuidle(proto) \ ^ include/linux/tracepoint.h:199:28: note: in expansion of macro 'PARAMS' __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:349:3: note: in expansion of macro '__DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \ ^ include/linux/tracepoint.h:349:25: note: in expansion of macro 'PARAMS' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \ ^ include/linux/tracepoint.h:472:2: note: in expansion of macro 'DECLARE_TRACE' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:472:22: note: in expansion of macro 'PARAMS' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ >> include/trace/events/page_ref.h:45:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(page_ref_mod_template, page_ref_set, ^ >> include/trace/events/page_ref.h:47:2: note: in expansion of macro 'TP_PROTO' TP_PROTO(struct page *page, int v), ^ >> include/trace/events/page_ref.h:47:18: warning: 'struct page' declared inside parameter list TP_PROTO(struct page *page, int v), ^ include/linux/tracepoint.h:202:38: note: in definition of macro '__DECLARE_TRACE' register_trace_##name(void (*probe)(data_proto), void *data) \ ^ include/linux/tracepoint.h:350:5: note: in expansion of macro 'PARAMS' PARAMS(void *__data, proto), \ ^ include/linux/tracepoint.h:472:2: note: in expansion of macro 'DECLARE_TRACE' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:472:22: note: in expansion of macro 'PARAMS' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ >> include/trace/events/page_ref.h:45:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(page_ref_mod_template, page_ref_set, ^ >> include/trace/events/page_ref.h:47:2: note: in expansion of macro 'TP_PROTO' TP_PROTO(struct page *page, int v), ^ >> include/trace/events/page_ref.h:47:18: warning: 'struct page' declared inside parameter list TP_PROTO(struct page *page, int v), ^ include/linux/tracepoint.h:208:43: note: in definition of macro '__DECLARE_TRACE' register_trace_prio_##name(void (*probe)(data_proto), void *data,\ ^ include/linux/tracepoint.h:350:5: note: in expansion of macro 'PARAMS' PARAMS(void *__data, proto), \ ^ include/linux/tracepoint.h:472:2: note: in expansion of macro 'DECLARE_TRACE' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:472:22: note: in expansion of macro 'PARAMS' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ >> include/trace/events/page_ref.h:45:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(page_ref_mod_template, page_ref_set, ^ >> include/trace/events/page_ref.h:47:2: note: in expansion of macro 'TP_PROTO' TP_PROTO(struct page *page, int v), ^ >> include/trace/events/page_ref.h:47:18: warning: 'struct page' declared inside parameter list TP_PROTO(struct page *page, int v), ^ include/linux/tracepoint.h:215:40: note: in definition of macro '__DECLARE_TRACE' unregister_trace_##name(void (*probe)(data_proto), void *data) \ ^ include/linux/tracepoint.h:350:5: note: in expansion of macro 'PARAMS' PARAMS(void *__data, proto), \ ^ include/linux/tracepoint.h:472:2: note: in expansion of macro 'DECLARE_TRACE' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:472:22: note: in expansion of macro 'PARAMS' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ >> include/trace/events/page_ref.h:45:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(page_ref_mod_template, page_ref_set, ^ >> include/trace/events/page_ref.h:47:2: note: in expansion of macro 'TP_PROTO' TP_PROTO(struct page *page, int v), ^ >> include/trace/events/page_ref.h:47:18: warning: 'struct page' declared inside parameter list TP_PROTO(struct page *page, int v), ^ include/linux/tracepoint.h:221:46: note: in definition of macro '__DECLARE_TRACE' check_trace_callback_type_##name(void (*cb)(data_proto)) \ ^ include/linux/tracepoint.h:350:5: note: in expansion of macro 'PARAMS' PARAMS(void *__data, proto), \ ^ include/linux/tracepoint.h:472:2: note: in expansion of macro 'DECLARE_TRACE' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:472:22: note: in expansion of macro 'PARAMS' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ >> include/trace/events/page_ref.h:45:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(page_ref_mod_template, page_ref_set, ^ vim +47 include/trace/events/page_ref.h 39 show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)), 40 __entry->count, 41 __entry->mapcount, __entry->mapping, __entry->mt, 42 __entry->val) 43 ); 44 > 45 DEFINE_EVENT(page_ref_mod_template, page_ref_set, 46 > 47 TP_PROTO(struct page *page, int v), 48 49 TP_ARGS(page, v) 50 ); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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