Drop support for kernels < 4.4 from kmem instrumentation

Change-Id: I83541b99c0e1960cb5b8e4df69a46ed8e0ee7ee9
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/include/instrumentation/events/kmem.h b/include/instrumentation/events/kmem.h
index aa9c98d1e9759e4414187a2685ac94aa3878c1c9..dd22192fd132d12785d84952af38e030349e576e 100644 (file)
--- a/include/instrumentation/events/kmem.h
+++ b/include/instrumentation/events/kmem.h
@@ -302,11 +302,7 @@ LTTNG_TRACEPOINT_EVENT(kmem_cache_free,
 )
 #endif
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0))
 LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free, kmem_mm_page_free,
-#else
-LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_direct, kmem_mm_page_free_direct,
-#endif
 
        TP_PROTO(struct page *page, unsigned int order),
 
@@ -331,21 +327,8 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
                ctf_integer(unsigned long, pfn, page_to_pfn(page))
        )
 )
-#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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,
+LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched,
 
        TP_PROTO(struct page *page, int cold),
 
@@ -454,14 +437,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_pcpu_drain,
 )
 #endif
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,19,2)  \
-       || LTTNG_KERNEL_RANGE(3,14,36, 3,15,0)          \
-       || LTTNG_KERNEL_RANGE(3,16,35, 3,17,0)          \
-       || LTTNG_KERNEL_RANGE(3,18,10, 3,19,0)          \
-       || LTTNG_DEBIAN_KERNEL_RANGE(3,16,7,9,0,0, 3,17,0,0,0,0)        \
-       || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,50, 3,14,0,0)      \
-       || LTTNG_UBUNTU_KERNEL_RANGE(3,16,7,34, 3,17,0,0))
-
 LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
 
        kmem_mm_page_alloc_extfrag,
@@ -486,84 +461,6 @@ LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
        )
 )
 
-#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,30))
-
-LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
-
-       kmem_mm_page_alloc_extfrag,
-
-       TP_PROTO(struct page *page,
-               int alloc_order, int fallback_order,
-               int alloc_migratetype, int fallback_migratetype, int new_migratetype),
-
-       TP_ARGS(page,
-               alloc_order, fallback_order,
-               alloc_migratetype, fallback_migratetype, new_migratetype),
-
-       TP_FIELDS(
-               ctf_integer_hex(struct page *, page, page)
-               ctf_integer(unsigned long, pfn, page_to_pfn(page))
-               ctf_integer(int, alloc_order, alloc_order)
-               ctf_integer(int, fallback_order, fallback_order)
-               ctf_integer(int, alloc_migratetype, alloc_migratetype)
-               ctf_integer(int, fallback_migratetype, fallback_migratetype)
-               ctf_integer(int, change_ownership, (new_migratetype == alloc_migratetype))
-       )
-)
-
-#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0))
-
-LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
-
-       kmem_mm_page_alloc_extfrag,
-
-       TP_PROTO(struct page *page,
-                       int alloc_order, int fallback_order,
-                       int alloc_migratetype, int fallback_migratetype,
-                       int change_ownership),
-
-       TP_ARGS(page,
-               alloc_order, fallback_order,
-               alloc_migratetype, fallback_migratetype,
-               change_ownership),
-
-       TP_FIELDS(
-               ctf_integer_hex(struct page *, page, page)
-               ctf_integer(unsigned long, pfn, page_to_pfn(page))
-               ctf_integer(int, alloc_order, alloc_order)
-               ctf_integer(int, fallback_order, fallback_order)
-               ctf_integer(int, alloc_migratetype, alloc_migratetype)
-               ctf_integer(int, fallback_migratetype, fallback_migratetype)
-               ctf_integer(int, change_ownership, change_ownership)
-       )
-)
-
-#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */
-
-LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag,
-
-       kmem_mm_page_alloc_extfrag,
-
-       TP_PROTO(struct page *page,
-                       int alloc_order, int fallback_order,
-                       int alloc_migratetype, int fallback_migratetype),
-
-       TP_ARGS(page,
-               alloc_order, fallback_order,
-               alloc_migratetype, fallback_migratetype),
-
-       TP_FIELDS(
-               ctf_integer_hex(struct page *, page, page)
-               ctf_integer(unsigned long, pfn, page_to_pfn(page))
-               ctf_integer(int, alloc_order, alloc_order)
-               ctf_integer(int, fallback_order, fallback_order)
-               ctf_integer(int, alloc_migratetype, alloc_migratetype)
-               ctf_integer(int, fallback_migratetype, fallback_migratetype)
-       )
-)
-
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */
-
 #endif /* LTTNG_TRACE_KMEM_H */
 
 /* This part must be outside protection */