Drop support for kernels < 3.0 from kmem instrumentation

[lttng-modules.git] / instrumentation / events / lttng-module / kmem.h

diff --git a/instrumentation/events/lttng-module/kmem.h b/instrumentation/events/lttng-module/kmem.h
index ad7bf77ebdecaed94432e495f067544cfac719de..2313ae812a80b6f3e16b5b819e734e160c5f9d92 100644 (file)
--- a/instrumentation/events/lttng-module/kmem.h
+++ b/instrumentation/events/lttng-module/kmem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kmem
 
@@ -114,7 +115,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_free, kmem_cache_free,
        TP_ARGS(call_site, ptr)
 )
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free, kmem_mm_page_free,
 #else
@@ -132,11 +132,33 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_direct, kmem_mm_page_free_direct,
        )
 )
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
+
+       TP_PROTO(struct page *page),
+
+       TP_ARGS(page),
+
+       TP_FIELDS(
+               ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
+       )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
+
+       TP_PROTO(struct page *page, int cold),
+
+       TP_ARGS(page, cold),
+
+       TP_FIELDS(
+               ctf_integer_hex(struct page *, page, page)
+               ctf_integer(unsigned long, pfn, page_to_pfn(page))
+               ctf_integer(int, cold, cold)
+       )
+)
 #else
 LTTNG_TRACEPOINT_EVENT_MAP(mm_pagevec_free, kmem_pagevec_free,
-#endif
 
        TP_PROTO(struct page *page, int cold),
 
@@ -148,6 +170,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_pagevec_free, kmem_pagevec_free,
                ctf_integer(int, cold, cold)
        )
 )
+#endif
 
 LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc, kmem_mm_page_alloc,
 
@@ -194,11 +217,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_pcpu_drain,
 
        kmem_mm_page_pcpu_drain,
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
        TP_PROTO(struct page *page, unsigned int order, int migratetype),
-#else
-       TP_PROTO(struct page *page, int order, int migratetype),
-#endif
 
        TP_ARGS(page, order, migratetype)
 )
@@ -313,8 +332,6 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
 
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
 
-#endif
-
 #endif /* LTTNG_TRACE_KMEM_H */
 
 /* This part must be outside protection */