mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-02 11:56:40 +07:00
f71a2aacc6
This allowed to us to kill a lot of casts, with no loss of readability in any places Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
#ifndef _SPARC_PGALLOC_H
|
|
#define _SPARC_PGALLOC_H
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/sched.h>
|
|
|
|
#include <asm/pgtsrmmu.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/vaddrs.h>
|
|
#include <asm/page.h>
|
|
|
|
struct page;
|
|
|
|
extern struct pgtable_cache_struct {
|
|
unsigned long *pgd_cache;
|
|
unsigned long *pte_cache;
|
|
unsigned long pgtable_cache_sz;
|
|
unsigned long pgd_cache_sz;
|
|
} pgt_quicklists;
|
|
|
|
void *srmmu_get_nocache(int size, int align);
|
|
void srmmu_free_nocache(void *addr, int size);
|
|
|
|
#define pgd_quicklist (pgt_quicklists.pgd_cache)
|
|
#define pmd_quicklist ((unsigned long *)0)
|
|
#define pte_quicklist (pgt_quicklists.pte_cache)
|
|
#define pgtable_cache_size (pgt_quicklists.pgtable_cache_sz)
|
|
#define pgd_cache_size (pgt_quicklists.pgd_cache_sz)
|
|
|
|
#define check_pgt_cache() do { } while (0)
|
|
|
|
pgd_t *get_pgd_fast(void);
|
|
static inline void free_pgd_fast(pgd_t *pgd)
|
|
{
|
|
srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE);
|
|
}
|
|
|
|
#define pgd_free(mm, pgd) free_pgd_fast(pgd)
|
|
#define pgd_alloc(mm) get_pgd_fast()
|
|
|
|
static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp)
|
|
{
|
|
unsigned long pa = __nocache_pa((unsigned long)pmdp);
|
|
|
|
set_pte((pte_t *)pgdp, (SRMMU_ET_PTD | (pa >> 4)));
|
|
}
|
|
|
|
#define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD)
|
|
|
|
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm,
|
|
unsigned long address)
|
|
{
|
|
return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE,
|
|
SRMMU_PMD_TABLE_SIZE);
|
|
}
|
|
|
|
static inline void free_pmd_fast(pmd_t * pmd)
|
|
{
|
|
srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE);
|
|
}
|
|
|
|
#define pmd_free(mm, pmd) free_pmd_fast(pmd)
|
|
#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd)
|
|
|
|
void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, struct page *ptep);
|
|
#define pmd_pgtable(pmd) pmd_page(pmd)
|
|
|
|
void pmd_set(pmd_t *pmdp, pte_t *ptep);
|
|
#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
|
|
|
|
pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address);
|
|
|
|
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
|
|
unsigned long address)
|
|
{
|
|
return srmmu_get_nocache(PTE_SIZE, PTE_SIZE);
|
|
}
|
|
|
|
|
|
static inline void free_pte_fast(pte_t *pte)
|
|
{
|
|
srmmu_free_nocache(pte, PTE_SIZE);
|
|
}
|
|
|
|
#define pte_free_kernel(mm, pte) free_pte_fast(pte)
|
|
|
|
void pte_free(struct mm_struct * mm, pgtable_t pte);
|
|
#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
|
|
|
|
#endif /* _SPARC_PGALLOC_H */
|