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Diffstat (limited to 'arch/x86/mm/init_64.c')
-rw-r--r--arch/x86/mm/init_64.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index edaa2daf4b37..3eba7f429880 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -632,7 +632,7 @@ kernel_physical_mapping_init(unsigned long start,
}
if (pgd_changed)
- sync_global_pgds(addr, end);
+ sync_global_pgds(addr, end - 1);
__flush_tlb_all();
@@ -862,6 +862,9 @@ int kern_addr_valid(unsigned long addr)
if (pud_none(*pud))
return 0;
+ if (pud_large(*pud))
+ return pfn_valid(pud_pfn(*pud));
+
pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd))
return 0;
@@ -1012,7 +1015,7 @@ vmemmap_populate(struct page *start_page, unsigned long size, int node)
}
}
- sync_global_pgds((unsigned long)start_page, end);
+ sync_global_pgds((unsigned long)start_page, end - 1);
return 0;
}