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-rw-r--r--arch/x86/mm/pgtable.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 5015976..3ebebe4 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -274,3 +274,17 @@ int ptep_clear_flush_young(struct vm_area_struct *vma,
return young;
}
+
+int fixmaps_set;
+
+void __set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t flags)
+{
+ unsigned long address = __fix_to_virt(idx);
+
+ if (idx >= __end_of_fixed_addresses) {
+ BUG();
+ return;
+ }
+ set_pte_pfn(address, phys >> PAGE_SHIFT, flags);
+ fixmaps_set++;
+}