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authorDJ Delorie <dj@delorie.com>2017-07-06 13:37:30 -0400
committerDJ Delorie <dj@delorie.com>2017-07-06 13:37:30 -0400
commitd5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc (patch)
tree380cfbc329860434d6b29825bd02ba5f0c7d4b30 /configure
parent3cefdd7310a5d1fad45648d9346e47df9c185fdc (diff)
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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.
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure13
1 files changed, 13 insertions, 0 deletions
diff --git a/configure b/configure
index 8e5c5bdde0..d8e1c50e11 100755
--- a/configure
+++ b/configure
@@ -674,6 +674,7 @@ build_obsolete_nsl
link_obsolete_rpc
libc_cv_static_nss_crypt
libc_cv_nss_crypt
+experimental_malloc
enable_werror
all_warnings
force_install
@@ -779,6 +780,7 @@ enable_kernel
enable_all_warnings
enable_werror
enable_multi_arch
+enable_experimental_malloc
enable_nss_crypt
enable_obsolete_rpc
enable_obsolete_nsl
@@ -1450,6 +1452,8 @@ Optional Features:
--disable-werror do not build with -Werror
--enable-multi-arch enable single DSO with optimizations for multiple
architectures
+ --disable-experimental-malloc
+ disable experimental malloc features
--enable-nss-crypt enable libcrypt to use nss
--enable-obsolete-rpc build and install the obsolete RPC code for
link-time usage
@@ -3522,6 +3526,15 @@ else
fi
+# Check whether --enable-experimental-malloc was given.
+if test "${enable_experimental_malloc+set}" = set; then :
+ enableval=$enable_experimental_malloc; experimental_malloc=$enableval
+else
+ experimental_malloc=yes
+fi
+
+
+
# Check whether --enable-nss-crypt was given.
if test "${enable_nss_crypt+set}" = set; then :
enableval=$enable_nss_crypt; nss_crypt=$enableval