X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-context-prio.c;h=c786f5d312d644094da09479e61b9991a8e838f5;hb=6f9e33eac07801365005f3344fd560cb04a400f4;hp=b5d21e7e9438bafee3779d483532745f1ec1e65b;hpb=9f36eaed6f91d5897924b551b44d1edd8cee00e2;p=lttng-modules.git

diff --git a/lttng-context-prio.c b/lttng-context-prio.c
index b5d21e7e..c786f5d3 100644
--- a/lttng-context-prio.c
+++ b/lttng-context-prio.c
@@ -29,6 +29,19 @@ int wrapper_task_prio_init(void)
 	return 0;
 }
 
+/*
+ * Canary function to check for 'task_prio()' at compile time.
+ *
+ * From 'include/linux/sched.h':
+ *
+ *   extern int task_prio(const struct task_struct *p);
+ */
+__attribute__((unused)) static
+int __canary__task_prio(const struct task_struct *p)
+{
+	return task_prio(p);
+}
+
 static
 size_t prio_get_size(size_t offset)
 {
@@ -89,7 +102,7 @@ int lttng_add_prio_to_ctx(struct lttng_ctx **ctx)
 	field->record = prio_record;
 	field->get_value = prio_get_value;
 	lttng_context_update(*ctx);
-	wrapper_vmalloc_sync_all();
+	wrapper_vmalloc_sync_mappings();
 	return 0;
 }
 EXPORT_SYMBOL_GPL(lttng_add_prio_to_ctx);