[RFC PATCH 4/4] arm: add support for memtest

From: Vladimir Murzin
Date: Mon Mar 02 2015 - 09:56:44 EST


Add support for memtest command line option.

Signed-off-by: Vladimir Murzin <vladimir.murzin@xxxxxxx>
---
arch/arm/mm/init.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 1609b02..3d0e9ae 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -335,6 +335,9 @@ void __init bootmem_init(void)

find_limits(&min, &max_low, &max_high);

+ early_memtest((phys_addr_t)min << PAGE_SHIFT,
+ (phys_addr_t)max_low << PAGE_SHIFT);
+
/*
* Sparsemem tries to allocate bootmem in memory_present(),
* so must be done after the fixed reservations
--
1.7.9.5


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