mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 13:43:55 +08:00
72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/* $Id: pgalloc.h,v 1.30 2001/12/21 04:56:17 davem Exp $ */
|
|
#ifndef _SPARC64_PGALLOC_H
|
|
#define _SPARC64_PGALLOC_H
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/slab.h>
|
|
|
|
#include <asm/spitfire.h>
|
|
#include <asm/cpudata.h>
|
|
#include <asm/cacheflush.h>
|
|
#include <asm/page.h>
|
|
|
|
/* Page table allocation/freeing. */
|
|
extern kmem_cache_t *pgtable_cache;
|
|
|
|
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
|
|
{
|
|
return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
|
|
}
|
|
|
|
static inline void pgd_free(pgd_t *pgd)
|
|
{
|
|
kmem_cache_free(pgtable_cache, pgd);
|
|
}
|
|
|
|
#define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
|
|
|
|
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
|
|
{
|
|
return kmem_cache_alloc(pgtable_cache,
|
|
GFP_KERNEL|__GFP_REPEAT);
|
|
}
|
|
|
|
static inline void pmd_free(pmd_t *pmd)
|
|
{
|
|
kmem_cache_free(pgtable_cache, pmd);
|
|
}
|
|
|
|
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
|
|
unsigned long address)
|
|
{
|
|
return kmem_cache_alloc(pgtable_cache,
|
|
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);
|
|
}
|
|
|
|
static inline void pte_free(struct page *ptepage)
|
|
{
|
|
pte_free_kernel(page_address(ptepage));
|
|
}
|
|
|
|
|
|
#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
|
|
#define pmd_populate(MM,PMD,PTE_PAGE) \
|
|
pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
|
|
|
|
#define check_pgt_cache() do { } while (0)
|
|
|
|
#endif /* _SPARC64_PGALLOC_H */
|