- 2.6.17 port work build breaks, but the patch set is relativly stable

[linux-flexiantxendom0-3.2.10.git] / include / asm-generic / pgtable.h

diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 358e4d3..c2059a3 100644 (file)
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -159,17 +159,8 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
 #define lazy_mmu_prot_update(pte)      do { } while (0)
 #endif
 
-#ifndef __HAVE_ARCH_MULTIPLE_ZERO_PAGE
+#ifndef __HAVE_ARCH_MOVE_PTE
 #define move_pte(pte, prot, old_addr, new_addr)        (pte)
-#else
-#define move_pte(pte, prot, old_addr, new_addr)                                \
-({                                                                     \
-       pte_t newpte = (pte);                                           \
-       if (pte_present(pte) && pfn_valid(pte_pfn(pte)) &&              \
-                       pte_page(pte) == ZERO_PAGE(old_addr))           \
-               newpte = mk_pte(ZERO_PAGE(new_addr), (prot));           \
-       newpte;                                                         \
-})
 #endif
 
 /*