1 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-i386/pgalloc.h b/include/asm-i386/pgalloc.h
new file mode 100644
index 0000000..0380c3d
--- /dev/null
+++ b/include/asm-i386/pgalloc.h
@@ -0,0 +1,50 @@
+#ifndef _I386_PGALLOC_H
+#define _I386_PGALLOC_H
+
+#include <linux/config.h>
+#include <asm/fixmap.h>
+#include <linux/threads.h>
+#include <linux/mm.h>		/* for struct page */
+
+#define pmd_populate_kernel(mm, pmd, pte) \
+		set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte)))
+
+#define pmd_populate(mm, pmd, pte) 				\
+	set_pmd(pmd, __pmd(_PAGE_TABLE +			\
+		((unsigned long long)page_to_pfn(pte) <<	\
+			(unsigned long long) PAGE_SHIFT)))
+/*
+ * Allocate and free page tables.
+ */
+extern pgd_t *pgd_alloc(struct mm_struct *);
+extern void pgd_free(pgd_t *pgd);
+
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long);
+extern struct page *pte_alloc_one(struct mm_struct *, unsigned long);
+
+static inline void pte_free_kernel(pte_t *pte)
+{
+	free_page((unsigned long)pte);
+}
+
+static inline void pte_free(struct page *pte)
+{
+	__free_page(pte);
+}
+
+
+#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
+
+#ifdef CONFIG_X86_PAE
+/*
+ * In the PAE case we free the pmds as part of the pgd.
+ */
+#define pmd_alloc_one(mm, addr)		({ BUG(); ((pmd_t *)2); })
+#define pmd_free(x)			do { } while (0)
+#define __pmd_free_tlb(tlb,x)		do { } while (0)
+#define pud_populate(mm, pmd, pte)	BUG()
+#endif
+
+#define check_pgt_cache()	do { } while (0)
+
+#endif /* _I386_PGALLOC_H */