X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fwrapper%2Fpage_alloc.c;h=81835cb2a04191fbd1aef3f45eae20cbc0a12cd6;hb=756a020cce15ab4ae515051c469437713ad6515d;hp=93504c993883244cb692ab192abef040148737d6;hpb=cfa6cc1d0f01c2cfcc1a679abf3a6572d411c309;p=lttng-modules.git

diff --git a/src/wrapper/page_alloc.c b/src/wrapper/page_alloc.c
index 93504c99..81835cb2 100644
--- a/src/wrapper/page_alloc.c
+++ b/src/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) \
@@ -54,6 +54,25 @@ int wrapper_get_pfnblock_flags_mask_init(void)
 }
 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
 
 #include <linux/pageblock-flags.h>