/* SPDX-License-Identifier: GPL-2.0 */#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 struct kmem_cache *pgtable_cache; static inline void __p4d_populate(p4d_t *p4d, pud_t *pud){ p4d_set(p4d, pud);} #define p4d_populate(MM, P4D, PUD) __p4d_populate(P4D, PUD) static inline pgd_t *pgd_alloc(struct mm_struct *mm){ return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);} static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd){ kmem_cache_free(pgtable_cache, pgd);} static inline void __pud_populate(pud_t *pud, pmd_t *pmd){ pud_set(pud, pmd);} #define pud_populate(MM, PUD, PMD) __pud_populate(PUD, PMD) static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr){ return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);} static inline void pud_free(struct mm_struct *mm, pud_t *pud){ kmem_cache_free(pgtable_cache, pud);} static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr){ return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);} static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd){ kmem_cache_free(pgtable_cache, pmd);} pte_t *pte_alloc_one_kernel(struct mm_struct *mm);pgtable_t pte_alloc_one(struct mm_struct *mm);void pte_free_kernel(struct mm_struct *mm, pte_t *pte);void pte_free(struct mm_struct *mm, pgtable_t ptepage); /* arch use pte_free_defer() implementation in arch/sparc/mm/init_64.c */#define pte_free_defer pte_free_defervoid pte_free_defer(struct mm_struct *mm, pgtable_t pgtable); #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(MM, PMD, PTE)#define pmd_populate(MM, PMD, PTE) pmd_set(MM, PMD, PTE) void pgtable_free(void *table, bool is_page); #ifdef CONFIG_SMP struct mmu_gather;void tlb_remove_table(struct mmu_gather *, void *); static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page){ unsigned long pgf = (unsigned long)table; if (is_page) pgf |= 0x1UL; tlb_remove_table(tlb, (void *)pgf);} static inline void __tlb_remove_table(void *_table){ void *table = (void *)((unsigned long)_table & ~0x1UL); bool is_page = false; if ((unsigned long)_table & 0x1UL) is_page = true; pgtable_free(table, is_page);}#else /* CONFIG_SMP */static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page){ pgtable_free(table, is_page);}#endif /* !CONFIG_SMP */ static inline void __pte_free_tlb(struct mmu_gather *tlb, pte_t *pte, unsigned long address){ pgtable_free_tlb(tlb, pte, true);} #define __pmd_free_tlb(tlb, pmd, addr) \ pgtable_free_tlb(tlb, pmd, false) #define __pud_free_tlb(tlb, pud, addr) \ pgtable_free_tlb(tlb, pud, false) #endif /* _SPARC64_PGALLOC_H */
/* SPDX-License-Identifier: GPL-2.0 */
#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 struct kmem_cache *pgtable_cache;
static inline void __p4d_populate(p4d_t *p4d, pud_t *pud)
{
p4d_set(p4d, pud);
}
#define p4d_populate(MM, P4D, PUD) __p4d_populate(P4D, PUD)
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
}
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
kmem_cache_free(pgtable_cache, pgd);
}
static inline void __pud_populate(pud_t *pud, pmd_t *pmd)
{
pud_set(pud, pmd);
}
#define pud_populate(MM, PUD, PMD) __pud_populate(PUD, PMD)
static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
{
return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
}
static inline void pud_free(struct mm_struct *mm, pud_t *pud)
{
kmem_cache_free(pgtable_cache, pud);
}
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
}
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
kmem_cache_free(pgtable_cache, pmd);
}
pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
pgtable_t pte_alloc_one(struct mm_struct *mm);
void pte_free_kernel(struct mm_struct *mm, pte_t *pte);
void pte_free(struct mm_struct *mm, pgtable_t ptepage);
/* arch use pte_free_defer() implementation in arch/sparc/mm/init_64.c */
#define pte_free_defer pte_free_defer
void pte_free_defer(struct mm_struct *mm, pgtable_t pgtable);
#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(MM, PMD, PTE)
#define pmd_populate(MM, PMD, PTE) pmd_set(MM, PMD, PTE)
void pgtable_free(void *table, bool is_page);
#ifdef CONFIG_SMP
struct mmu_gather;
void tlb_remove_table(struct mmu_gather *, void *);
static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page)
{
unsigned long pgf = (unsigned long)table;
if (is_page)
pgf |= 0x1UL;
tlb_remove_table(tlb, (void *)pgf);
}
static inline void __tlb_remove_table(void *_table)
{
void *table = (void *)((unsigned long)_table & ~0x1UL);
bool is_page = false;
if ((unsigned long)_table & 0x1UL)
is_page = true;
pgtable_free(table, is_page);
}
#else /* CONFIG_SMP */
static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page)
{
pgtable_free(table, is_page);
}
#endif /* !CONFIG_SMP */
static inline void __pte_free_tlb(struct mmu_gather *tlb, pte_t *pte,
unsigned long address)
{
pgtable_free_tlb(tlb, pte, true);
}
#define __pmd_free_tlb(tlb, pmd, addr) \
pgtable_free_tlb(tlb, pmd, false)
#define __pud_free_tlb(tlb, pud, addr) \
pgtable_free_tlb(tlb, pud, false)
#endif /* _SPARC64_PGALLOC_H */