+
+ /*
+ * Verify that there is enough free pages available on the system for
+ * the current allocation request.
+ * wrapper_check_enough_free_pages uses si_mem_available() if available
+ * and returns if there should be enough free pages based on the
+ * current estimate.
+ */
+ if (!wrapper_check_enough_free_pages(num_pages))
+ goto not_enough_pages;
+
+ /*
+ * Set the current user thread as the first target of the OOM killer.
+ * If the estimate received by si_mem_available() was off, and we do
+ * end up running out of memory because of this buffer allocation, we
+ * want to kill the offending app first.
+ */
+ wrapper_set_current_oom_origin();
+