From f33bb123660a51e833b9ed07d8306852028ba7f6 Mon Sep 17 00:00:00 2001 From: Wilco Dijkstra Date: Tue, 8 Jul 2025 15:03:46 +0000 Subject: [PATCH] NEWS: Mention tcache improvements MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Update NEWS with tcache improvements. Reviewed-by: Adhemerval Zanella  --- NEWS | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/NEWS b/NEWS index cc668344c1..7c407c2ea3 100644 --- a/NEWS +++ b/NEWS @@ -26,6 +26,11 @@ Major new features: speed_t is redefined to simply be the baud rate specified as an unsigned int, which matches the kernel interface. +* The thread-local cache in malloc (tcache) now supports caching of large + blocks. This feature can be enabled by setting the tunable + glibc.malloc.tcache_max to a larger value (max 4194304). + Tcache is also significantly faster for small sizes. + Deprecated and removed features, and other changes affecting compatibility: * The glibc.rtld.execstack now supports a compatibility mode to allow -- 2.47.2