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| author | Waldemar Brodkorb <wbx@openadk.org> | 2015-12-17 20:21:18 +0100 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2015-12-17 20:35:21 +0100 |
| commit | 73490b63e659336596420a263c3a7133ccfd914b (patch) | |
| tree | b85f3c9155f1972bb0f8d2942bf9ecefc7e3ec4a | |
| parent | 7ccac5e8a4a0fd123eb8c035225ee12d30c0bb00 (diff) | |
reduce stack cache size to save memory space
Idea from different projects as OpenWrt and others.
https://lists.openwrt.org/pipermail/openwrt-devel/2013-November/022299.html
https://github.com/wl500g/toolchain/blob/master/toolchain/uClibc/patches/0.9.32/980-stack-cache-maxsize.patch
| -rw-r--r-- | libpthread/nptl/allocatestack.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libpthread/nptl/allocatestack.c b/libpthread/nptl/allocatestack.c index 118820a9a..bf9925253 100644 --- a/libpthread/nptl/allocatestack.c +++ b/libpthread/nptl/allocatestack.c @@ -98,8 +98,12 @@ /* Cache handling for not-yet free stacks. */ -/* Maximum size in kB of cache. */ -static size_t stack_cache_maxsize = 40 * 1024 * 1024; /* 40MiBi by default. */ +/* + Maximum size in kB of cache. GNU libc default is 40MiB + embedded systems don't have enough ram for big dirty stack caches, + reduce it to 16MiB. 4 does not work, f.e. tst-kill4 segfaults. +*/ +static size_t stack_cache_maxsize = 16 * 1024 * 1024; static size_t stack_cache_actsize; /* Mutex protecting this variable. */ |