1 files changed, 11 insertions, 0 deletions
diff --git a/deps/jemalloc/src/jemalloc.c b/deps/jemalloc/src/jemalloc.c
index f93c16fa3..5b936cb48 100644
--- a/deps/jemalloc/src/jemalloc.c
+++ b/deps/jemalloc/src/jemalloc.c
@@ -3324,3 +3324,14 @@ jemalloc_postfork_child(void) {
 }
 
 /******************************************************************************/
+
+/* Helps the application decide if a pointer is worth re-allocating in order to reduce fragmentation.
+ * returns 0 if the allocation is in the currently active run,
+ * or when it is not causing any frag issue (large or huge bin)
+ * returns the bin utilization and run utilization both in fixed point 16:16.
+ * If the application decides to re-allocate it should use MALLOCX_TCACHE_NONE when doing so. */
+JEMALLOC_EXPORT int JEMALLOC_NOTHROW
+get_defrag_hint(void* ptr, int *bin_util, int *run_util) {
+	assert(ptr != NULL);
+	return iget_defrag_hint(TSDN_NULL, ptr, bin_util, run_util);
+}