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-rw-r--r--arch/x86/kernel/setup.c2
-rw-r--r--arch/x86/mm/srat.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 29db25f9a745..16a846548ece 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1048,6 +1048,8 @@ void __init setup_arch(char **cmdline_p)
if (mtrr_trim_uncached_memory(max_pfn))
max_pfn = e820_end_of_ram_pfn();
+ max_possible_pfn = max_pfn;
+
#ifdef CONFIG_X86_32
/* max_low_pfn get updated here */
find_low_pfn_range();
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index c2aea63bee20..b5f821881465 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -203,6 +203,8 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
pr_warn("SRAT: Failed to mark hotplug range [mem %#010Lx-%#010Lx] in memblock\n",
(unsigned long long)start, (unsigned long long)end - 1);
+ max_possible_pfn = max(max_possible_pfn, PFN_UP(end - 1));
+
return 0;
out_err_bad_srat:
bad_srat();