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-rw-r--r--mm/Kconfig15
1 files changed, 15 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index ebe5880c29d6..1b5a95f0fa01 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -581,3 +581,18 @@ config PGTABLE_MAPPING
config GENERIC_EARLY_IOREMAP
bool
+
+config MAX_STACK_SIZE_MB
+ int "Maximum user stack size for 32-bit processes (MB)"
+ default 80
+ range 8 256 if METAG
+ range 8 2048
+ depends on STACK_GROWSUP && (!64BIT || COMPAT)
+ help
+ This is the maximum stack size in Megabytes in the VM layout of 32-bit
+ user processes when the stack grows upwards (currently only on parisc
+ and metag arch). The stack will be located at the highest memory
+ address minus the given value, unless the RLIMIT_STACK hard limit is
+ changed to a smaller value in which case that is used.
+
+ A sane initial value is 80 MB.