VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / include / asm-sh / pgalloc.h

diff --git a/include/asm-sh/pgalloc.h b/include/asm-sh/pgalloc.h
index 9b70384..8a1b359 100644 (file)
--- a/include/asm-sh/pgalloc.h
+++ b/include/asm-sh/pgalloc.h
@@ -84,71 +84,10 @@ static inline void pte_free(struct page *pte)
 #define pmd_free(x)                    do { } while (0)
 #define __pmd_free_tlb(tlb,x)          do { } while (0)
 #define pgd_populate(mm, pmd, pte)     BUG()
+#define check_pgt_cache()              do { } while (0)
 
-#if defined(CONFIG_CPU_SH4)
-#define PG_mapped      PG_arch_1
-
-/*
- * For SH-4, we have our own implementation for ptep_get_and_clear
- */
-static inline pte_t ptep_get_and_clear(pte_t *ptep)
-{
-       pte_t pte = *ptep;
-
-       pte_clear(ptep);
-       if (!pte_not_present(pte)) {
-               unsigned long pfn = pte_pfn(pte);
-               if (pfn_valid(pfn)) {
-                       struct page *page = pfn_to_page(pfn);
-                       struct address_space *mapping = page_mapping(page);
-                       if (!mapping || !mapping_writably_mapped(mapping))
-                               __clear_bit(PG_mapped, &page->flags);
-               }
-       }
-       return pte;
-}
-#else
-static inline pte_t ptep_get_and_clear(pte_t *ptep)
-{
-       pte_t pte = *ptep;
-       pte_clear(ptep);
-       return pte;
-}
+#ifdef CONFIG_CPU_SH4
+#define PG_mapped                      PG_arch_1
 #endif
 
-/*
- * Following functions are same as generic ones.
- */
-static inline int ptep_test_and_clear_young(pte_t *ptep)
-{
-       pte_t pte = *ptep;
-       if (!pte_young(pte))
-               return 0;
-       set_pte(ptep, pte_mkold(pte));
-       return 1;
-}
-
-static inline int ptep_test_and_clear_dirty(pte_t *ptep)
-{
-       pte_t pte = *ptep;
-       if (!pte_dirty(pte))
-               return 0;
-       set_pte(ptep, pte_mkclean(pte));
-       return 1;
-}
-
-static inline void ptep_set_wrprotect(pte_t *ptep)
-{
-       pte_t old_pte = *ptep;
-       set_pte(ptep, pte_wrprotect(old_pte));
-}
-
-static inline void ptep_mkdirty(pte_t *ptep)
-{
-       pte_t old_pte = *ptep;
-       set_pte(ptep, pte_mkdirty(old_pte));
-}
-
-#define check_pgt_cache()      do { } while (0)
-
 #endif /* __ASM_SH_PGALLOC_H */