X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=wrapper%2Fpage_alloc.c;h=b464f4d19331facd14510bf6aeed8294ff1c5135;hb=00b42dbf832993005036d0bc28aef9eb2171f539;hp=baa8603f2898bc58de87393fad666f8d4ce0dace;hpb=9f36eaed6f91d5897924b551b44d1edd8cee00e2;p=lttng-modules.git

diff --git a/wrapper/page_alloc.c b/wrapper/page_alloc.c
index baa8603f..b464f4d1 100644
--- a/wrapper/page_alloc.c
+++ b/wrapper/page_alloc.c
@@ -12,7 +12,7 @@
 #include <lttng-kernel-version.h>
 
 #if (defined(CONFIG_KALLSYMS) \
-	&& (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,2)	\
+	&& (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,19,2)	\
 		|| LTTNG_KERNEL_RANGE(3,14,36, 3,15,0)		\
 		|| 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) \
@@ -52,6 +52,26 @@ int wrapper_get_pfnblock_flags_mask_init(void)
 		return -1;
 	return 0;
 }
+EXPORT_SYMBOL_GPL(wrapper_get_pfnblock_flags_mask_init);
+
+/*
+ * Canary function to check for 'get_pfnblock_flags_mask()' at compile time.
+ *
+ * From 'include/linux/pageblock-flags.h':
+ *
+ *   unsigned long get_pfnblock_flags_mask(struct page *page,
+ *                                         unsigned long pfn,
+ *                                         unsigned long end_bitidx,
+ *                                         unsigned long mask);
+ */
+__attribute__((unused)) static
+unsigned long __canary__get_pfnblock_flags_mask(struct page *page,
+						unsigned long pfn,
+						unsigned long end_bitidx,
+						unsigned long mask)
+{
+	return get_pfnblock_flags_mask(page, pfn, end_bitidx, mask);
+}
 
 #else
 
@@ -94,6 +114,7 @@ int wrapper_get_pageblock_flags_mask_init(void)
 		return -1;
 	return 0;
 }
+EXPORT_SYMBOL_GPL(wrapper_get_pfnblock_flags_mask_init);
 
 #else