blob: 5d8480265a77561bfa48cb2b82eb2fca9b4a4fd2 (
plain) (
tree)
|
|
#ifndef _ASM_POWERPC_PGALLOC_H
#define _ASM_POWERPC_PGALLOC_H
#ifdef __KERNEL__
#include <linux/mm.h>
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
free_page((unsigned long)pte);
}
static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
{
pgtable_page_dtor(ptepage);
__free_page(ptepage);
}
typedef struct pgtable_free {
unsigned long val;
} pgtable_free_t;
#define PGF_CACHENUM_MASK 0x7
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};
}
#ifdef CONFIG_PPC64
#include <asm/pgalloc-64.h>
#else
#include <asm/pgalloc-32.h>
#endif
extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf);
#ifdef CONFIG_SMP
#define __pte_free_tlb(tlb,ptepage) \
do { \
pgtable_page_dtor(ptepage); \
pgtable_free_tlb(tlb, pgtable_free_cache(page_address(ptepage), \
PTE_NONCACHE_NUM, PTE_TABLE_SIZE-1)); \
} while (0)
#else
#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte))
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PGALLOC_H */
|
