[PATCH 3/5] OpenRISC: Export memory_start and memory_end

Richard Weinberger
2012-03-02T00:55:27Z

At least virt_addr_valid() makes use of memory_end.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
arch/openrisc/include/asm/page.h | 4 ++--
arch/openrisc/kernel/setup.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/openrisc/include/asm/page.h b/arch/openrisc/include/asm/page.h
index b041b34..4dfe477 100644
--- a/arch/openrisc/include/asm/page.h
+++ b/arch/openrisc/include/asm/page.h
@@ -71,8 +71,8 @@ typedef struct page *pgtable_t;
#define __pgd(x) ((pgd_t) { (x) })
#define __pgprot(x) ((pgprot_t) { (x) })

-extern unsigned long memory_start;
-extern unsigned long memory_end;
+extern phys_addr_t memory_start;
+extern phys_addr_t memory_end;

#endif /* !__ASSEMBLY__ */

diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c
index bf5eba2..c993c92 100644
--- a/arch/openrisc/kernel/setup.c
+++ b/arch/openrisc/kernel/setup.c
@@ -52,6 +52,7 @@
#include "vmlinux.h"

char __initdata cmd_line[COMMAND_LINE_SIZE] = CONFIG_CMDLINE;
+phys_addr_t memory_start, memory_end;

static unsigned long __init setup_memory(void)
{
@@ -59,7 +60,6 @@ static unsigned long __init setup_memory(void)
unsigned long ram_start_pfn;
unsigned long free_ram_start_pfn;
unsigned long ram_end_pfn;
- phys_addr_t memory_start, memory_end;
struct memblock_region *region;

memory_end = memory_start = 0;
--
1.7.7.3