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-rw-r--r--arch/x86_64/kernel/setup.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 01e2de4d2540..ad3b7fc24a05 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -614,6 +614,7 @@ void __init setup_arch(char **cmdline_p)
* we are rounding upwards:
*/
end_pfn = e820_end_of_ram();
+ num_physpages = end_pfn; /* for pfn_valid */
check_efer();
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