linux-kernel - [RFC PATCH 3/4] arm64: add support for memtest

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Date:	Mon,  2 Mar 2015 14:55:44 +0000
From:	Vladimir Murzin <vladimir.murzin@....com>
To:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-arch@...r.kernel.org, x86@...nel.org,
	linux-arm-kernel@...ts.infradead.org
Cc:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	akpm@...ux-foundation.org, lauraa@...eaurora.org,
	catalin.marinas@....com, will.deacon@....com,
	linux@....linux.org.uk, arnd@...db.de, mark.rutland@....com,
	ard.biesheuvel@...aro.org
Subject: [RFC PATCH 3/4] arm64: add support for memtest

Add support for memtest command line option.

Signed-off-by: Vladimir Murzin <vladimir.murzin@....com>
---
 arch/arm64/mm/init.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index ae85da6..597831b 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -190,6 +190,8 @@ void __init bootmem_init(void)
 	min = PFN_UP(memblock_start_of_DRAM());
 	max = PFN_DOWN(memblock_end_of_DRAM());
 
+	early_memtest(min << PAGE_SHIFT, max << 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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