30 lines
1018 B
Diff
30 lines
1018 B
Diff
From: Ben Hutchings <ben@decadent.org.uk>
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Date: Mon, 5 Dec 2011 04:00:58 +0000
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Subject: [PATCH] x86: memtest: WARN if bad RAM found
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Since this is not a particularly thorough test, if we find any bad
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bits of RAM then there is a fair chance that there are other bad bits
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we fail to detect.
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Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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---
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arch/x86/mm/memtest.c | 2 ++
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1 files changed, 2 insertions(+), 0 deletions(-)
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diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
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index 92faf3a..ac6bdaa 100644
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--- a/arch/x86/mm/memtest.c
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+++ b/arch/x86/mm/memtest.c
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@@ -30,6 +30,8 @@ static u64 patterns[] __initdata = {
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static void __init reserve_bad_mem(u64 pattern, u64 start_bad, u64 end_bad)
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{
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+ WARN_ONCE(1, "Bad RAM detected. Use memtest86+ to perform a thorough test\n"
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+ "and the memmap= parameter to reserve the bad areas.");
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printk(KERN_INFO " %016llx bad mem addr %010llx - %010llx reserved\n",
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(unsigned long long) pattern,
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(unsigned long long) start_bad,
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--
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1.7.7.3
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