ARM: pgtable: move TOP_PTE address definitions to arch/arm/mm/mm.h

Move the TOP_PTE address definitions to one central place so that it's
easy to discover what they're being used for.  This helps to ensure
that there are no overlaps.

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

1 files changed, 3 insertions, 5 deletions

diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 1a8d4aa821be..f4d407af4690 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -23,11 +23,9 @@
 
 #ifdef CONFIG_CPU_CACHE_VIPT
 
-#define ALIAS_FLUSH_START       0xffff4000
-
 static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr)
 {
-        unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT);
+        unsigned long to = FLUSH_ALIAS_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT);
         const int zero = 0;
 
         set_pte_ext(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL), 0);
@@ -46,8 +44,8 @@ static void flush_icache_alias(unsigned long pfn, unsigned long vaddr, unsigned
         unsigned long offset = vaddr & (PAGE_SIZE - 1);
         unsigned long to;
 
-        set_pte_ext(TOP_PTE(ALIAS_FLUSH_START) + colour, pfn_pte(pfn, PAGE_KERNEL), 0);
-        to = ALIAS_FLUSH_START + (colour << PAGE_SHIFT) + offset;
+        set_pte_ext(TOP_PTE(FLUSH_ALIAS_START) + colour, pfn_pte(pfn, PAGE_KERNEL), 0);
+        to = FLUSH_ALIAS_START + (colour << PAGE_SHIFT) + offset;
         flush_tlb_kernel_page(to);
         flush_icache_range(to, to + len);
 }