diff options
Diffstat (limited to 'include/asm-ppc64')
-rw-r--r-- | include/asm-ppc64/pgalloc.h | 2 | ||||
-rw-r--r-- | include/asm-ppc64/pgtable.h | 41 |
2 files changed, 24 insertions, 19 deletions
diff --git a/include/asm-ppc64/pgalloc.h b/include/asm-ppc64/pgalloc.h index 16232d740173..4fc4b739b380 100644 --- a/include/asm-ppc64/pgalloc.h +++ b/include/asm-ppc64/pgalloc.h | |||
@@ -27,7 +27,7 @@ pgd_free(pgd_t *pgd) | |||
27 | kmem_cache_free(zero_cache, pgd); | 27 | kmem_cache_free(zero_cache, pgd); |
28 | } | 28 | } |
29 | 29 | ||
30 | #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD) | 30 | #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD) |
31 | 31 | ||
32 | static inline pmd_t * | 32 | static inline pmd_t * |
33 | pmd_alloc_one(struct mm_struct *mm, unsigned long addr) | 33 | pmd_alloc_one(struct mm_struct *mm, unsigned long addr) |
diff --git a/include/asm-ppc64/pgtable.h b/include/asm-ppc64/pgtable.h index a26120517c54..b984e2747e0c 100644 --- a/include/asm-ppc64/pgtable.h +++ b/include/asm-ppc64/pgtable.h | |||
@@ -1,8 +1,6 @@ | |||
1 | #ifndef _PPC64_PGTABLE_H | 1 | #ifndef _PPC64_PGTABLE_H |
2 | #define _PPC64_PGTABLE_H | 2 | #define _PPC64_PGTABLE_H |
3 | 3 | ||
4 | #include <asm-generic/4level-fixup.h> | ||
5 | |||
6 | /* | 4 | /* |
7 | * This file contains the functions and defines necessary to modify and use | 5 | * This file contains the functions and defines necessary to modify and use |
8 | * the ppc64 hashed page table. | 6 | * the ppc64 hashed page table. |
@@ -17,6 +15,8 @@ | |||
17 | #include <asm/tlbflush.h> | 15 | #include <asm/tlbflush.h> |
18 | #endif /* __ASSEMBLY__ */ | 16 | #endif /* __ASSEMBLY__ */ |
19 | 17 | ||
18 | #include <asm-generic/pgtable-nopud.h> | ||
19 | |||
20 | /* PMD_SHIFT determines what a second-level page table entry can map */ | 20 | /* PMD_SHIFT determines what a second-level page table entry can map */ |
21 | #define PMD_SHIFT (PAGE_SHIFT + PAGE_SHIFT - 3) | 21 | #define PMD_SHIFT (PAGE_SHIFT + PAGE_SHIFT - 3) |
22 | #define PMD_SIZE (1UL << PMD_SHIFT) | 22 | #define PMD_SIZE (1UL << PMD_SHIFT) |
@@ -228,12 +228,13 @@ void hugetlb_mm_free_pgd(struct mm_struct *mm); | |||
228 | #define pmd_page_kernel(pmd) \ | 228 | #define pmd_page_kernel(pmd) \ |
229 | (__bpn_to_ba(pmd_val(pmd) >> PMD_TO_PTEPAGE_SHIFT)) | 229 | (__bpn_to_ba(pmd_val(pmd) >> PMD_TO_PTEPAGE_SHIFT)) |
230 | #define pmd_page(pmd) virt_to_page(pmd_page_kernel(pmd)) | 230 | #define pmd_page(pmd) virt_to_page(pmd_page_kernel(pmd)) |
231 | #define pgd_set(pgdp, pmdp) (pgd_val(*(pgdp)) = (__ba_to_bpn(pmdp))) | 231 | |
232 | #define pgd_none(pgd) (!pgd_val(pgd)) | 232 | #define pud_set(pudp, pmdp) (pud_val(*(pudp)) = (__ba_to_bpn(pmdp))) |
233 | #define pgd_bad(pgd) ((pgd_val(pgd)) == 0) | 233 | #define pud_none(pud) (!pud_val(pud)) |
234 | #define pgd_present(pgd) (pgd_val(pgd) != 0UL) | 234 | #define pud_bad(pud) ((pud_val(pud)) == 0UL) |
235 | #define pgd_clear(pgdp) (pgd_val(*(pgdp)) = 0UL) | 235 | #define pud_present(pud) (pud_val(pud) != 0UL) |
236 | #define pgd_page(pgd) (__bpn_to_ba(pgd_val(pgd))) | 236 | #define pud_clear(pudp) (pud_val(*(pudp)) = 0UL) |
237 | #define pud_page(pud) (__bpn_to_ba(pud_val(pud))) | ||
237 | 238 | ||
238 | /* | 239 | /* |
239 | * Find an entry in a page-table-directory. We combine the address region | 240 | * Find an entry in a page-table-directory. We combine the address region |
@@ -245,12 +246,13 @@ void hugetlb_mm_free_pgd(struct mm_struct *mm); | |||
245 | #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) | 246 | #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) |
246 | 247 | ||
247 | /* Find an entry in the second-level page table.. */ | 248 | /* Find an entry in the second-level page table.. */ |
248 | #define pmd_offset(dir,addr) \ | 249 | #define pmd_offset(pudp,addr) \ |
249 | ((pmd_t *) pgd_page(*(dir)) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))) | 250 | ((pmd_t *) pud_page(*(pudp)) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))) |
250 | 251 | ||
251 | /* Find an entry in the third-level page table.. */ | 252 | /* Find an entry in the third-level page table.. */ |
252 | #define pte_offset_kernel(dir,addr) \ | 253 | #define pte_offset_kernel(dir,addr) \ |
253 | ((pte_t *) pmd_page_kernel(*(dir)) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) | 254 | ((pte_t *) pmd_page_kernel(*(dir)) \ |
255 | + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) | ||
254 | 256 | ||
255 | #define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr)) | 257 | #define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr)) |
256 | #define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir), (addr)) | 258 | #define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir), (addr)) |
@@ -582,19 +584,22 @@ extern long native_hpte_insert(unsigned long hpte_group, unsigned long va, | |||
582 | static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea) | 584 | static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea) |
583 | { | 585 | { |
584 | pgd_t *pg; | 586 | pgd_t *pg; |
587 | pud_t *pu; | ||
585 | pmd_t *pm; | 588 | pmd_t *pm; |
586 | pte_t *pt = NULL; | 589 | pte_t *pt = NULL; |
587 | pte_t pte; | 590 | pte_t pte; |
588 | 591 | ||
589 | pg = pgdir + pgd_index(ea); | 592 | pg = pgdir + pgd_index(ea); |
590 | if (!pgd_none(*pg)) { | 593 | if (!pgd_none(*pg)) { |
591 | 594 | pu = pud_offset(pg, ea); | |
592 | pm = pmd_offset(pg, ea); | 595 | if (!pud_none(*pu)) { |
593 | if (pmd_present(*pm)) { | 596 | pm = pmd_offset(pu, ea); |
594 | pt = pte_offset_kernel(pm, ea); | 597 | if (pmd_present(*pm)) { |
595 | pte = *pt; | 598 | pt = pte_offset_kernel(pm, ea); |
596 | if (!pte_present(pte)) | 599 | pte = *pt; |
597 | pt = NULL; | 600 | if (!pte_present(pte)) |
601 | pt = NULL; | ||
602 | } | ||
598 | } | 603 | } |
599 | } | 604 | } |
600 | 605 | ||