From 5febcbe99d4766cc383909c447e002e63d8b4592 Mon Sep 17 00:00:00 2001 From: Christopher Yeoh Date: Tue, 29 May 2012 15:06:27 -0700 Subject: Cross Memory Attach: make it Kconfigurable Add a Kconfig option to allow people who don't want cross memory attach to not have it included in their build. Signed-off-by: Chris Yeoh Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'mm/Kconfig') diff --git a/mm/Kconfig b/mm/Kconfig index 39220026c79..b2176374b98 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 # -- cgit v1.2.3