android_kernel_xiaomi_sm8350/include/asm-sparc64/pgalloc.h
David S. Miller 3c93646524 [SPARC64]: Kill pgtable quicklists and use SLAB.
Taking a nod from the powerpc port.

With the per-cpu caching of both the page allocator and SLAB, the
pgtable quicklist scheme becomes relatively silly and primitive.

Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20 01:11:14 -08:00

73 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/config.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 */