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.