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-rw-r--r--arch/tile/include/asm/pgtable_32.h40
1 files changed, 16 insertions, 24 deletions
diff --git a/arch/tile/include/asm/pgtable_32.h b/arch/tile/include/asm/pgtable_32.h
index 9f98529761fd..4ce4a7a99c24 100644
--- a/arch/tile/include/asm/pgtable_32.h
+++ b/arch/tile/include/asm/pgtable_32.h
@@ -20,11 +20,12 @@
20 * The level-1 index is defined by the huge page size. A PGD is composed 20 * The level-1 index is defined by the huge page size. A PGD is composed
21 * of PTRS_PER_PGD pgd_t's and is the top level of the page table. 21 * of PTRS_PER_PGD pgd_t's and is the top level of the page table.
22 */ 22 */
23#define PGDIR_SHIFT HV_LOG2_PAGE_SIZE_LARGE 23#define PGDIR_SHIFT HPAGE_SHIFT
24#define PGDIR_SIZE HV_PAGE_SIZE_LARGE 24#define PGDIR_SIZE HPAGE_SIZE
25#define PGDIR_MASK (~(PGDIR_SIZE-1)) 25#define PGDIR_MASK (~(PGDIR_SIZE-1))
26#define PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT)) 26#define PTRS_PER_PGD _HV_L1_ENTRIES(HPAGE_SHIFT)
27#define SIZEOF_PGD (PTRS_PER_PGD * sizeof(pgd_t)) 27#define PGD_INDEX(va) _HV_L1_INDEX(va, HPAGE_SHIFT)
28#define SIZEOF_PGD _HV_L1_SIZE(HPAGE_SHIFT)
28 29
29/* 30/*
30 * The level-2 index is defined by the difference between the huge 31 * The level-2 index is defined by the difference between the huge
@@ -33,8 +34,9 @@
33 * Note that the hypervisor docs use PTE for what we call pte_t, so 34 * Note that the hypervisor docs use PTE for what we call pte_t, so
34 * this nomenclature is somewhat confusing. 35 * this nomenclature is somewhat confusing.
35 */ 36 */
36#define PTRS_PER_PTE (1 << (HV_LOG2_PAGE_SIZE_LARGE - HV_LOG2_PAGE_SIZE_SMALL)) 37#define PTRS_PER_PTE _HV_L2_ENTRIES(HPAGE_SHIFT, PAGE_SHIFT)
37#define SIZEOF_PTE (PTRS_PER_PTE * sizeof(pte_t)) 38#define PTE_INDEX(va) _HV_L2_INDEX(va, HPAGE_SHIFT, PAGE_SHIFT)
39#define SIZEOF_PTE _HV_L2_SIZE(HPAGE_SHIFT, PAGE_SHIFT)
38 40
39#ifndef __ASSEMBLY__ 41#ifndef __ASSEMBLY__
40 42
@@ -111,24 +113,14 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
111 return pte; 113 return pte;
112} 114}
113 115
114static inline void __set_pmd(pmd_t *pmdp, pmd_t pmdval) 116/*
115{ 117 * pmds are wrappers around pgds, which are the same as ptes.
116 set_pte(&pmdp->pud.pgd, pmdval.pud.pgd); 118 * It's often convenient to "cast" back and forth and use the pte methods,
117} 119 * which are the methods supplied by the hypervisor.
118 120 */
119/* Create a pmd from a PTFN. */ 121#define pmd_pte(pmd) ((pmd).pud.pgd)
120static inline pmd_t ptfn_pmd(unsigned long ptfn, pgprot_t prot) 122#define pmdp_ptep(pmdp) (&(pmdp)->pud.pgd)
121{ 123#define pte_pmd(pte) ((pmd_t){ { (pte) } })
122 return (pmd_t){ { hv_pte_set_ptfn(prot, ptfn) } };
123}
124
125/* Return the page-table frame number (ptfn) that a pmd_t points at. */
126#define pmd_ptfn(pmd) hv_pte_get_ptfn((pmd).pud.pgd)
127
128static inline void pmd_clear(pmd_t *pmdp)
129{
130 __pte_clear(&pmdp->pud.pgd);
131}
132 124
133#endif /* __ASSEMBLY__ */ 125#endif /* __ASSEMBLY__ */
134 126