/*  * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) * Copyright 2003 PathScale, Inc. * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h * Licensed under the GPL */ #ifndef __UM_PGALLOC_H#define __UM_PGALLOC_H #include "linux/config.h"#include "linux/mm.h"#include "asm/fixmap.h" #define pmd_populate_kernel(mm, pmd, pte) \	set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __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_3_LEVEL_PGTABLES/* * In the 3-level case we free the pmds as part of the pgd. */#define pmd_free(x)			do { } while (0)#define __pmd_free_tlb(tlb,x)		do { } while (0)#endif #define check_pgt_cache()	do { } while (0) #endif /* * Overrides for Emacs so that we follow Linus's tabbing style. * Emacs will notice this stuff at the end of the file and automatically * adjust the settings for this buffer only.  This must remain at the end * of the file. * --------------------------------------------------------------------------- * Local variables: * c-file-style: "linux" * End: */