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-rw-r--r--arch/x86/xen/enlighten.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 04ec69e4d02..53afa14eb31 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -822,7 +822,7 @@ static void xen_alloc_ptpage(struct mm_struct *mm, u32 pfn, unsigned level)
SetPagePinned(page);
if (!PageHighMem(page)) {
- make_lowmem_page_readonly(__va(PFN_PHYS(pfn)));
+ make_lowmem_page_readonly(__va(PFN_PHYS((unsigned long)pfn)));
if (level == PT_PTE)
pin_pagetable_pfn(MMUEXT_PIN_L1_TABLE, pfn);
} else