From d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc Mon Sep 17 00:00:00 2001 From: DJ Delorie Date: Thu, 6 Jul 2017 13:37:30 -0400 Subject: Add per-thread cache to malloc * config.make.in: Enable experimental malloc option. * configure.ac: Likewise. * configure: Regenerate. * manual/install.texi: Document it. * INSTALL: Regenerate. * malloc/Makefile: Likewise. * malloc/malloc.c: Add per-thread cache (tcache). (tcache_put): New. (tcache_get): New. (tcache_thread_freeres): New. (tcache_init): New. (__libc_malloc): Use cached chunks if available. (__libc_free): Initialize tcache if needed. (__libc_realloc): Likewise. (__libc_calloc): Likewise. (_int_malloc): Prefill tcache when appropriate. (_int_free): Likewise. (do_set_tcache_max): New. (do_set_tcache_count): New. (do_set_tcache_unsorted_limit): New. * manual/probes.texi: Document new probes. * malloc/arena.c: Add new tcache tunables. * elf/dl-tunables.list: Likewise. * manual/tunables.texi: Document them. * NEWS: Mention the per-thread cache. --- configure.ac | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index 7e03019..77456aa 100644 --- a/configure.ac +++ b/configure.ac @@ -313,6 +313,13 @@ AC_ARG_ENABLE([multi-arch], [multi_arch=$enableval], [multi_arch=default]) +AC_ARG_ENABLE([experimental-malloc], + AC_HELP_STRING([--disable-experimental-malloc], + [disable experimental malloc features]), + [experimental_malloc=$enableval], + [experimental_malloc=yes]) +AC_SUBST(experimental_malloc) + AC_ARG_ENABLE([nss-crypt], AC_HELP_STRING([--enable-nss-crypt], [enable libcrypt to use nss]), -- cgit v1.1