sh: Abstract the number of page table levels

[pandora-kernel.git] / arch / sh / include / asm / pgalloc.h

diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h
index 63ca37b..fe9f037 100644 (file)
--- a/arch/sh/include/asm/pgalloc.h
+++ b/arch/sh/include/asm/pgalloc.h
@@ -4,9 +4,10 @@
 #include <linux/quicklist.h>
 #include <asm/page.h>
 
-#define QUICK_PGD 0    /* We preserve special mappings over free */
 #define QUICK_PT 1     /* Other page table pages that are zero on free */
 
+#include <asm/pgalloc_nopmd.h>
+
 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
                                       pte_t *pte)
 {
@@ -20,28 +21,9 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
 }
 #define pmd_pgtable(pmd) pmd_page(pmd)
 
-static inline void pgd_ctor(void *x)
-{
-       pgd_t *pgd = x;
-
-       memcpy(pgd + USER_PTRS_PER_PGD,
-              swapper_pg_dir + USER_PTRS_PER_PGD,
-              (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
-}
-
 /*
  * Allocate and free page tables.
  */
-static inline pgd_t *pgd_alloc(struct mm_struct *mm)
-{
-       return quicklist_alloc(QUICK_PGD, GFP_KERNEL | __GFP_REPEAT, pgd_ctor);
-}
-
-static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
-{
-       quicklist_free(QUICK_PGD, NULL, pgd);
-}
-
 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
                                          unsigned long address)
 {
@@ -81,7 +63,7 @@ do {                                                  \
 
 static inline void check_pgt_cache(void)
 {
-       quicklist_trim(QUICK_PGD, NULL, 25, 16);
+       __check_pgt_cache();
        quicklist_trim(QUICK_PT, NULL, 25, 16);
 }