diff options
| author | Wim Van Sebroeck <wim@iguana.be> | 2007-05-11 19:03:13 +0000 | 
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2007-05-11 19:03:13 +0000 | 
| commit | 5c34202b8bf942da411b6599668a76b07449bbfd (patch) | |
| tree | 5719c361321eaddc8e4f1b0c8a7994f0e9a6fdd3 /include/asm-powerpc/pgalloc.h | |
| parent | 0d4804b31f91cfbcff6d62af0bc09a893a1c8ae0 (diff) | |
| parent | 1f8a6b658a943b4f04a1fc7b3a420360202c86cd (diff) | |
Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-powerpc/pgalloc.h')
| -rw-r--r-- | include/asm-powerpc/pgalloc.h | 154 | 
1 files changed, 3 insertions, 151 deletions
diff --git a/include/asm-powerpc/pgalloc.h b/include/asm-powerpc/pgalloc.h index b0830db68f8..b4505ed0f0f 100644 --- a/include/asm-powerpc/pgalloc.h +++ b/include/asm-powerpc/pgalloc.h @@ -2,159 +2,11 @@  #define _ASM_POWERPC_PGALLOC_H  #ifdef __KERNEL__ -#ifndef CONFIG_PPC64 -#include <asm-ppc/pgalloc.h> +#ifdef CONFIG_PPC64 +#include <asm/pgalloc-64.h>  #else - -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/cpumask.h> -#include <linux/percpu.h> - -extern struct kmem_cache *pgtable_cache[]; - -#ifdef CONFIG_PPC_64K_PAGES -#define PTE_CACHE_NUM	0 -#define PMD_CACHE_NUM	1 -#define PGD_CACHE_NUM	2 -#define HUGEPTE_CACHE_NUM 3 -#else -#define PTE_CACHE_NUM	0 -#define PMD_CACHE_NUM	1 -#define PUD_CACHE_NUM	1 -#define PGD_CACHE_NUM	0 -#define HUGEPTE_CACHE_NUM 2 +#include <asm/pgalloc-32.h>  #endif -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ -	return kmem_cache_alloc(pgtable_cache[PGD_CACHE_NUM], GFP_KERNEL); -} - -static inline void pgd_free(pgd_t *pgd) -{ -	kmem_cache_free(pgtable_cache[PGD_CACHE_NUM], pgd); -} - -#ifndef CONFIG_PPC_64K_PAGES - -#define pgd_populate(MM, PGD, PUD)	pgd_set(PGD, PUD) - -static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) -{ -	return kmem_cache_alloc(pgtable_cache[PUD_CACHE_NUM], -				GFP_KERNEL|__GFP_REPEAT); -} - -static inline void pud_free(pud_t *pud) -{ -	kmem_cache_free(pgtable_cache[PUD_CACHE_NUM], pud); -} - -static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -{ -	pud_set(pud, (unsigned long)pmd); -} - -#define pmd_populate(mm, pmd, pte_page) \ -	pmd_populate_kernel(mm, pmd, page_address(pte_page)) -#define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, (unsigned long)(pte)) - - -#else /* CONFIG_PPC_64K_PAGES */ - -#define pud_populate(mm, pud, pmd)	pud_set(pud, (unsigned long)pmd) - -static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, -				       pte_t *pte) -{ -	pmd_set(pmd, (unsigned long)pte); -} - -#define pmd_populate(mm, pmd, pte_page) \ -	pmd_populate_kernel(mm, pmd, page_address(pte_page)) - -#endif /* CONFIG_PPC_64K_PAGES */ - -static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) -{ -	return kmem_cache_alloc(pgtable_cache[PMD_CACHE_NUM], -				GFP_KERNEL|__GFP_REPEAT); -} - -static inline void pmd_free(pmd_t *pmd) -{ -	kmem_cache_free(pgtable_cache[PMD_CACHE_NUM], pmd); -} - -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, -					  unsigned long address) -{ -	return kmem_cache_alloc(pgtable_cache[PTE_CACHE_NUM], -				GFP_KERNEL|__GFP_REPEAT); -} - -static inline struct page *pte_alloc_one(struct mm_struct *mm, -					 unsigned long address) -{ -	return virt_to_page(pte_alloc_one_kernel(mm, address)); -} -		 -static inline void pte_free_kernel(pte_t *pte) -{ -	kmem_cache_free(pgtable_cache[PTE_CACHE_NUM], pte); -} - -static inline void pte_free(struct page *ptepage) -{ -	pte_free_kernel(page_address(ptepage)); -} - -#define PGF_CACHENUM_MASK	0x3 - -typedef struct pgtable_free { -	unsigned long val; -} pgtable_free_t; - -static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, -						unsigned long mask) -{ -	BUG_ON(cachenum > PGF_CACHENUM_MASK); - -	return (pgtable_free_t){.val = ((unsigned long) p & ~mask) | cachenum}; -} - -static inline void pgtable_free(pgtable_free_t pgf) -{ -	void *p = (void *)(pgf.val & ~PGF_CACHENUM_MASK); -	int cachenum = pgf.val & PGF_CACHENUM_MASK; - -	kmem_cache_free(pgtable_cache[cachenum], p); -} - -extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); - -#define __pte_free_tlb(tlb, ptepage)	\ -	pgtable_free_tlb(tlb, pgtable_free_cache(page_address(ptepage), \ -		PTE_CACHE_NUM, PTE_TABLE_SIZE-1)) -#define __pmd_free_tlb(tlb, pmd) 	\ -	pgtable_free_tlb(tlb, pgtable_free_cache(pmd, \ -		PMD_CACHE_NUM, PMD_TABLE_SIZE-1)) -#ifndef CONFIG_PPC_64K_PAGES -#define __pud_free_tlb(tlb, pud)	\ -	pgtable_free_tlb(tlb, pgtable_free_cache(pud, \ -		PUD_CACHE_NUM, PUD_TABLE_SIZE-1)) -#endif /* CONFIG_PPC_64K_PAGES */ - -#define check_pgt_cache()	do { } while (0) - -#endif /* CONFIG_PPC64 */  #endif /* __KERNEL__ */  #endif /* _ASM_POWERPC_PGALLOC_H */  | 
