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A small system like the common home router doesn't have 40 MiB per process for a dirty stack cache. This can easily lead to an overbooking OOM problem and caused a lot of hangs+reboots on 32 MiB systems running nodogsplash. Not using a stack cache can increase the time to spawn new threads. This is hopefully no problem for system not running a lot of parallel computations. Signed-off-by: Sven Eckelmann <sven@open-mesh.com> SVN-Revision: 38851
12 lines
450 B
Diff
12 lines
450 B
Diff
--- a/libpthread/nptl/allocatestack.c
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+++ b/libpthread/nptl/allocatestack.c
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@@ -100,7 +100,7 @@
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/* Cache handling for not-yet free stacks. */
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/* Maximum size in kB of cache. */
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-static size_t stack_cache_maxsize = 40 * 1024 * 1024; /* 40MiBi by default. */
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+static size_t stack_cache_maxsize = 0; /* embedded systems don't have enough ram for dirty stack caches */
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static size_t stack_cache_actsize;
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/* Mutex protecting this variable. */
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