From 0ea0d72ae4607c61440f4333bd62718a9cea2f03 Mon Sep 17 00:00:00 2001 From: Krishna Reddy Date: Tue, 6 Mar 2012 19:09:46 -0800 Subject: ARM: mm: Add config flag for CPA. Change-Id: Ibaa40012b3954abb440882517de51ab37269942f Signed-off-by: Krishna Reddy Reviewed-on: http://git-master/r/88183 Reviewed-by: Scott Williams Reviewed-by: Hiroshi Doyu --- arch/arm/mm/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 10fcfc71725e..aaea6d487bae 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -897,3 +897,11 @@ config ARM_SAVE_DEBUG_CONTEXT help This option enables save/restore of the ARM debug registers across CPU powerdown. + +config CPA + bool "Change Page Attributes" + depends on CPU_V7 + help + This option enables Changing Page Attibutes for low memory. + This is needed to avoid conflicting memory mappings for low memory, + One from kernel page table and others from user process page tables. -- cgit v1.2.3