On arm64, running the included switchtest program hits the default
system heap limit of 256k.
The program creates 97 threads, each allocating space on the system heap
for struct cobalt_thread (3616 bytes on arm64). This adds up to a total
of 350725 bytes required.
This patch increases the default system heap size to 512k.
---
kernel/cobalt/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/cobalt/Kconfig b/kernel/cobalt/Kconfig
index afa62d2..24f09e8 100644
--- a/kernel/cobalt/Kconfig
+++ b/kernel/cobalt/Kconfig
@@ -257,7 +257,7 @@ config XENO_OPT_REGISTRY_NRSLOTS
config XENO_OPT_SYS_HEAPSZ
int "Size of system heap (Kb)"
- default 256
+ default 512
help
The system heap is used for various internal allocations by
the Cobalt kernel. The size is expressed in Kilobytes.
--
1.9.1
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