Add single-threaded path to _int_free

This patch adds single-threaded fast paths to _int_free.
Bypass the explicit locking for larger allocations.

	* malloc/malloc.c (_int_free): Add SINGLE_THREAD_P fast paths.

1 files changed, 4 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 148ec30..0eb9bae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-10-20  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	* malloc/malloc.c (_int_free): Add SINGLE_THREAD_P fast paths.
+
 2017-10-20  Will Hawkins  <hawkinsw@borlaugic.com>
 
 	* resolv/Makefile [$(build-shared)$(have-thread-library) == yesyes]