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Subject[PATCH v3 18/20] ARM: LPAE: use phys_addr_t for physical start address in early_mem
Date
From: Will Deacon <will.deacon@arm.com>

The physical start address of memory may be > 4GB and therefore
unrepresentable using an unsigned long.
This patch changes early_mem and arm_add_memory to use phys_addr_t
instead of unsigned long for the start address.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm/kernel/setup.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 81ab007..eaa87d4 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -442,7 +442,7 @@ static struct machine_desc * __init setup_machine(unsigned int nr)
return list;
}

-static int __init arm_add_memory(unsigned long start, unsigned long size)
+static int __init arm_add_memory(phys_addr_t start, unsigned long size)
{
struct membank *bank = &meminfo.bank[meminfo.nr_banks];

@@ -478,7 +478,8 @@ static int __init arm_add_memory(unsigned long start, unsigned long size)
static int __init early_mem(char *p)
{
static int usermem __initdata = 0;
- unsigned long size, start;
+ unsigned long size;
+ phys_addr_t start;
char *endp;

/*

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