1 files changed, 10 insertions, 0 deletions

diff --git a/mm/Kconfig b/mm/Kconfig
index 39220026c797..b2176374b98e 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -349,6 +349,16 @@ choice
           benefit.
 endchoice
 
+config CROSS_MEMORY_ATTACH
+        bool "Cross Memory Support"
+        depends on MMU
+        default y
+        help
+          Enabling this option adds the system calls process_vm_readv and
+          process_vm_writev which allow a process with the correct privileges
+          to directly read from or write to to another process's address space.
+          See the man page for more details.
+
 #
 # UP and nommu archs use km based percpu allocator
 #