1 # Copyright (C) 2016-2023 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, see
16 # <https://www.gnu.org/licenses/>.
18 # Allowed attributes for tunables:
20 # type: Defaults to STRING
21 # minval: Optional minimum acceptable value
22 # maxval: Optional maximum acceptable value
23 # default: Optional default value (if not specified it will be 0 or "")
24 # env_alias: An alias environment variable
32 env_alias: MALLOC_CHECK_
36 env_alias: MALLOC_TOP_PAD_
43 env_alias: MALLOC_PERTURB_
47 env_alias: MALLOC_MMAP_THRESHOLD_
51 env_alias: MALLOC_TRIM_THRESHOLD_
55 env_alias: MALLOC_MMAP_MAX_
60 env_alias: MALLOC_ARENA_MAX
65 env_alias: MALLOC_ARENA_TEST
74 tcache_unsorted_limit {
89 env_alias: LD_HWCAP_MASK
90 default: HWCAP_IMPORTANT
105 skip_lock_internal_abort {
110 skip_lock_after_retries {
120 skip_trylock_internal_abort {
134 optional_static_tls {