commit d7c5d0dcffb3b5702d9477faceff4b8398e6fed0
author Catalin Marinas <catalin.marinas@arm.com> Mon Sep 05 17:52:36 2011 +0100
committer Russell King <rmk+kernel@arm.linux.org.uk> Thu Oct 06 15:40:06 2011 +0100
tree a1b670fac0f11868ff280380dca98db1c3926b46
parent 442e70c0b3536e832547eed89629435462f4b515

ARM: 7077/1: LPAE: Use a mask for physical addresses in page table entries

With LPAE, the physical address mask is 40-bit while the page table
entry is 64-bit. This patch introduces PHYS_MASK for the 2-level page
table format, defined as ~0UL.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/include/asm/pgtable-2level-hwdef.h

diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h
index 2b52c40..5cfba15 100644
--- a/arch/arm/include/asm/pgtable-2level-hwdef.h
+++ b/arch/arm/include/asm/pgtable-2level-hwdef.h
@@ -88,4 +88,6 @@
 #define PTE_SMALL_AP_URO_SRW	(_AT(pteval_t, 0xaa) << 4)
 #define PTE_SMALL_AP_URW_SRW	(_AT(pteval_t, 0xff) << 4)
 
+#define PHYS_MASK		(~0UL)
+
 #endif