#ifndef _ASM_IA64_PGALLOC_H#define _ASM_IA64_PGALLOC_H /* * This file contains the functions and defines necessary to allocate * page tables. * * This hopefully works with any (fixed) ia-64 page-size, as defined * in <asm/page.h> (currently 8192). * * Copyright (C) 1998-2001 Hewlett-Packard Co *	David Mosberger-Tang <davidm@hpl.hp.com> * Copyright (C) 2000, Goutham Rao <goutham.rao@intel.com> */  #include <linux/compiler.h>#include <linux/mm.h>#include <linux/page-flags.h>#include <linux/threads.h> #include <asm/mmu_context.h> DECLARE_PER_CPU(unsigned long *, __pgtable_quicklist);#define pgtable_quicklist __ia64_per_cpu_var(__pgtable_quicklist)DECLARE_PER_CPU(long, __pgtable_quicklist_size);#define pgtable_quicklist_size __ia64_per_cpu_var(__pgtable_quicklist_size) static inline long pgtable_quicklist_total_size(void){	long ql_size = 0;	int cpuid; 	for_each_online_cpu(cpuid) {		ql_size += per_cpu(__pgtable_quicklist_size, cpuid);	}	return ql_size;} static inline void *pgtable_quicklist_alloc(void){	unsigned long *ret = NULL; 	preempt_disable(); 	ret = pgtable_quicklist;	if (likely(ret != NULL)) {		pgtable_quicklist = (unsigned long *)(*ret);		ret[0] = 0;		--pgtable_quicklist_size;		preempt_enable();	} else {		preempt_enable();		ret = (unsigned long *)__get_free_page(GFP_KERNEL | __GFP_ZERO);	} 	return ret;} static inline void pgtable_quicklist_free(void *pgtable_entry){#ifdef CONFIG_NUMA	unsigned long nid = page_to_nid(virt_to_page(pgtable_entry)); 	if (unlikely(nid != numa_node_id())) {		free_page((unsigned long)pgtable_entry);		return;	}#endif 	preempt_disable();	*(unsigned long *)pgtable_entry = (unsigned long)pgtable_quicklist;	pgtable_quicklist = (unsigned long *)pgtable_entry;	++pgtable_quicklist_size;	preempt_enable();} static inline pgd_t *pgd_alloc(struct mm_struct *mm){	return pgtable_quicklist_alloc();} static inline void pgd_free(pgd_t * pgd){	pgtable_quicklist_free(pgd);} #ifdef CONFIG_PGTABLE_4static inline voidpgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud){	pgd_val(*pgd_entry) = __pa(pud);} static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr){	return pgtable_quicklist_alloc();} static inline void pud_free(pud_t * pud){	pgtable_quicklist_free(pud);}#define __pud_free_tlb(tlb, pud)	pud_free(pud)#endif /* CONFIG_PGTABLE_4 */ static inline voidpud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd){	pud_val(*pud_entry) = __pa(pmd);} static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr){	return pgtable_quicklist_alloc();} static inline void pmd_free(pmd_t * pmd){	pgtable_quicklist_free(pmd);} #define __pmd_free_tlb(tlb, pmd)	pmd_free(pmd) static inline voidpmd_populate(struct mm_struct *mm, pmd_t * pmd_entry, struct page *pte){	pmd_val(*pmd_entry) = page_to_phys(pte);} static inline voidpmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte){	pmd_val(*pmd_entry) = __pa(pte);} static inline struct page *pte_alloc_one(struct mm_struct *mm,					 unsigned long addr){	return virt_to_page(pgtable_quicklist_alloc());} static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,					  unsigned long addr){	return pgtable_quicklist_alloc();} static inline void pte_free(struct page *pte){	pgtable_quicklist_free(page_address(pte));} static inline void pte_free_kernel(pte_t * pte){	pgtable_quicklist_free(pte);} #define __pte_free_tlb(tlb, pte)	pte_free(pte) extern void check_pgt_cache(void); #endif				/* _ASM_IA64_PGALLOC_H */