--- kernel-2.6.27.orig/security/Kconfig
+++ kernel-2.6.27/security/Kconfig
@@ -95,6 +95,14 @@
 	  
 	  If you are unsure how to answer this question, answer N.
 
+config SECURITY_LOWMEM
+	tristate "Low memory watermark support"
+	depends on SECURITY
+	help
+	  Implements low memory watermark support
+
+	  If you are unsure how to answer this question, answer N.
+
 config SECURITY_DEFAULT_MMAP_MIN_ADDR
         int "Low address space to protect from user allocation"
         depends on SECURITY