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authorDJ Delorie <dj@redhat.com>2019-08-08 19:09:43 -0400
committerDJ Delorie <dj@redhat.com>2019-08-09 14:04:03 -0400
commitc48d92b430c480de06762f80c104922239416826 (patch)
treeefb687b05fe7b94025ad29c6fe35d1d60a336fb8 /malloc/Makefile
parentb6d2c4475d5abc05dd009575b90556bdd3c78ad0 (diff)
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Add glibc.malloc.mxfast tunable
* elf/dl-tunables.list: Add glibc.malloc.mxfast.
* manual/tunables.texi: Document it.
* malloc/malloc.c (do_set_mxfast): New.
(__libc_mallopt): Call it.
* malloc/arena.c: Add mxfast tunable.
* malloc/tst-mxfast.c: New.
* malloc/Makefile: Add it.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'malloc/Makefile')
-rw-r--r--malloc/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/malloc/Makefile b/malloc/Makefile
index d2fba29953..94b74b5c45 100644
--- a/malloc/Makefile
+++ b/malloc/Makefile
@@ -39,6 +39,7 @@ tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack \
 	 tst-malloc-too-large \
 	 tst-malloc-stats-cancellation \
 	 tst-tcfree1 tst-tcfree2 tst-tcfree3 \
+	 tst-mxfast \
 
 tests-static := \
 	 tst-interpose-static-nothread \
@@ -196,6 +197,8 @@ tst-malloc-usable-static-ENV = $(tst-malloc-usable-ENV)
 tst-malloc-usable-tunables-ENV = GLIBC_TUNABLES=glibc.malloc.check=3
 tst-malloc-usable-static-tunables-ENV = $(tst-malloc-usable-tunables-ENV)
 
+tst-mxfast-ENV = GLIBC_TUNABLES=glibc.malloc.tcache_count=0:glibc.malloc.mxfast=0
+
 ifeq ($(experimental-malloc),yes)
 CPPFLAGS-malloc.c += -DUSE_TCACHE=1
 else