X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=include%2Fwrapper%2Fvmalloc.h;h=596fb9ed11a0885f3d9c388398dd607f1ec28ea1;hp=ff279bc1b7042fdb68abccf3844aa1010d2a215c;hb=3dfec2289896ff0f1a05a9e486f1585cd16beb84;hpb=876e2e9225074dede98488270dee7226e73d2a63

diff --git a/include/wrapper/vmalloc.h b/include/wrapper/vmalloc.h
index ff279bc1..596fb9ed 100644
--- a/include/wrapper/vmalloc.h
+++ b/include/wrapper/vmalloc.h
@@ -64,10 +64,23 @@ void wrapper_vmalloc_sync_mappings(void)
 	}
 }
 
+/*
+ * Canary function to check for 'vmalloc_sync_mappings()' at compile time.
+ *
+ * From 'include/linux/vmalloc.h':
+ *
+ *   void vmalloc_sync_mappings(void);
+ */
+static inline
+void __canary__vmalloc_sync_mappings(void)
+{
+	vmalloc_sync_mappings();
+}
+
 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */
 
 /*
- * Map vmalloc_sync_mappings to vmalloc_sync_all() on kernels before 5.7.
+ * Map vmalloc_sync_mappings to vmalloc_sync_all() on kernels before 5.6.
  */
 static inline
 void wrapper_vmalloc_sync_mappings(void)
@@ -89,6 +102,19 @@ void wrapper_vmalloc_sync_mappings(void)
 	}
 }
 
+/*
+ * Canary function to check for 'vmalloc_sync_all()' at compile time.
+ *
+ * From 'include/linux/vmalloc.h':
+ *
+ *   void vmalloc_sync_all(void);
+ */
+static inline
+void __canary__vmalloc_sync_all(void)
+{
+	vmalloc_sync_all();
+}
+
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */
 
 #else
@@ -204,6 +230,26 @@ void *__lttng_vmalloc_node_range(unsigned long size, unsigned long align,
 	return __vmalloc(size, gfp_mask, prot);
 }
 
+/*
+ * Canary function to check for '__vmalloc_node_range()' at compile time.
+ *
+ * From 'include/linux/vmalloc.h':
+ *
+ *   extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
+ *                           unsigned long start, unsigned long end, gfp_t gfp_mask,
+ *                           pgprot_t prot, unsigned long vm_flags, int node,
+ *                           const void *caller);
+ */
+static inline
+void *__canary____lttng_vmalloc_node_range(unsigned long size, unsigned long align,
+			unsigned long start, unsigned long end, gfp_t gfp_mask,
+			pgprot_t prot, unsigned long vm_flags, int node,
+			const void *caller)
+{
+	return __vmalloc_node_range(size, align, start, end, gfp_mask, prot,
+			vm_flags, node, caller);
+}
+
 /**
  * lttng_kvmalloc_node - attempt to allocate physically contiguous memory, but upon
  * failure, fall back to non-contiguous (vmalloc) allocation.