Hi , After merging the final tree, today's linux-next build (sparc64 defconfig) failed like this: In file included from include/trace/ftrace.h:567:0, from include/trace/define_trace.h:86, from include/trace/events/power.h:240, from kernel/trace/power-traces.c:14: include/trace/events/kmem.h: In function 'ftrace_test_probe_kmalloc': include/trace/events/kmem.h:45:1: error: implicit declaration of function 'check_trace_callback_type_kmalloc' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_kmem_cache_alloc': include/trace/events/kmem.h:53:1: error: implicit declaration of function 'check_trace_callback_type_kmem_cache_alloc' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_kmalloc_node': include/trace/events/kmem.h:99:1: error: implicit declaration of function 'check_trace_callback_type_kmalloc_node' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_kmem_cache_alloc_node': include/trace/events/kmem.h:108:1: error: implicit declaration of function 'check_trace_callback_type_kmem_cache_alloc_node' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_kfree': include/trace/events/kmem.h:136:1: error: implicit declaration of function 'check_trace_callback_type_kfree' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_kmem_cache_free': include/trace/events/kmem.h:143:1: error: implicit declaration of function 'check_trace_callback_type_kmem_cache_free' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_mm_page_free': include/trace/events/kmem.h:150:1: error: implicit declaration of function 'check_trace_callback_type_mm_page_free' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_mm_page_free_batched': include/trace/events/kmem.h:172:1: error: implicit declaration of function 'check_trace_callback_type_mm_page_free_batched' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_mm_page_alloc': include/trace/events/kmem.h:194:1: error: implicit declaration of function 'check_trace_callback_type_mm_page_alloc' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_mm_page_alloc_zone_locked': include/trace/events/kmem.h:249:1: error: implicit declaration of function 'check_trace_callback_type_mm_page_alloc_zone_locked' [-Werror=implicit-function-declaration] include/trace/events/kmem.h: In function 'ftrace_test_probe_mm_page_alloc_extfrag': include/trace/events/kmem.h:267:1: error: implicit declaration of function 'check_trace_callback_type_mm_page_alloc_extfrag' [-Werror=implicit-function-declaration] In file included from include/trace/ftrace.h:774:0, from include/trace/define_trace.h:86, from include/trace/events/power.h:240, from kernel/trace/power-traces.c:14: include/trace/events/kmem.h: In function 'perf_test_probe_mm_page_pcpu_drain': include/trace/events/kmem.h:256:1: error: implicit declaration of function 'check_trace_callback_type_mm_page_pcpu_drain' [-Werror=implicit-function-declaration] I have no idea what has gone wrong here, but I did not get this error yesterday. The only thing that touched include/trace/events/kmem.h is patch "mm-tracepoint: rename page-free events" from the akpm tree, but that was there yesterday as well and doesn't look suspicious. I just have to leave things broken for today in the hope that someone figures something out. This does not affect my X86_64 allmodconfig build or my PowerPC builds (including an allyesconfig build). -- Cheers, Stephen Rothwell sfr@xxxxxxxxxxxxxxxx http://www.canb.auug.org.au/~sfr/
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