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[Deepin Kernel SIG] [Debian] x86: memtest: WARN if bad RAM found #537

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Merged
Avenger-285714 merged 1 commit into from
Dec 27, 2024
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[Deepin Kernel SIG] [Debian] x86: memtest: WARN if bad RAM found #537

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4 changes: 4 additions & 0 deletions mm/memtest.c
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,10 @@ static u64 patterns[] __initdata = {

static void __init reserve_bad_mem(u64 pattern, phys_addr_t start_bad, phys_addr_t end_bad)
{
#ifdef CONFIG_X86
WARN_ONCE(1, "Bad RAM detected. Use memtest86+ to perform a thorough test\n"
"and the memmap= parameter to reserve the bad areas.");
#endif
pr_info(" %016llx bad mem addr %pa - %pa reserved\n",
cpu_to_be64(pattern), &start_bad, &end_bad);
memblock_reserve(start_bad, end_bad - start_bad);
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