X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=wrapper%2Fvmalloc.h;h=362054b162b9e80eab799ca9be66298a697bb068;hb=9e52289bbd4698c76a4c6bf66d92ce04accdd54a;hp=e78d99bb199c18c83a7ec89923783059b0f8d60e;hpb=bf5a011d7256c26f8731be6b9983462f02b7c0cb;p=lttng-modules.git

diff --git a/wrapper/vmalloc.h b/wrapper/vmalloc.h
index e78d99bb..362054b1 100644
--- a/wrapper/vmalloc.h
+++ b/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.