--- arch/x86/xen/mmu.c

+++ arch/x86/xen/mmu.c

@@ -1432,14 +1432,15 @@ static void *xen_kmap_atomic_pte(struct

{

pgprot_t prot = PAGE_KERNEL;

+ /*

+ * We disable highmem allocations for page tables so we should never

+ * see any calls to kmap_atomic_pte on a highmem page.

+ */

+ BUG_ON(PageHighMem(page));

+

if (PagePinned(page))

prot = PAGE_KERNEL_RO;

- if (0 && PageHighMem(page))

- printk("mapping highpte %lx type %d prot %s\n",

- page_to_pfn(page), type,

- (unsigned long)pgprot_val(prot) & _PAGE_RW ? "WRITE" : "READ");

-

return kmap_atomic_prot(page, type, prot);

}

#endif