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authorVladimir Murzin <vladimir.murzin@arm.com>2015-04-14 15:48:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 16:49:06 -0700
commitd30eae473360aea25e0584d4fbf6a70417d89784 (patch)
treefda164a7b9d179dbe176ed66765f6848d1c9c8da
parent36dd9086cb31613ace45e94c18a17241d3d0aac4 (diff)
downloadlinux-d30eae473360aea25e0584d4fbf6a70417d89784.tar.gz
arm: add support for memtest
Add support for memtest command line option.

Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/arm/mm/init.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 1609b022a72f..3d0e9aed4b40 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