diff options
Diffstat (limited to 'arch/ia64/mm/discontig.c')
-rw-r--r-- | arch/ia64/mm/discontig.c | 65 |
1 files changed, 2 insertions, 63 deletions
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 8eeb669917fa..d260bffa01ab 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c | |||
@@ -534,68 +534,6 @@ void __cpuinit *per_cpu_init(void) | |||
534 | } | 534 | } |
535 | #endif /* CONFIG_SMP */ | 535 | #endif /* CONFIG_SMP */ |
536 | 536 | ||
537 | #ifdef CONFIG_VIRTUAL_MEM_MAP | ||
538 | static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i) | ||
539 | { | ||
540 | unsigned long end_address, hole_next_pfn; | ||
541 | unsigned long stop_address; | ||
542 | |||
543 | end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i]; | ||
544 | end_address = PAGE_ALIGN(end_address); | ||
545 | |||
546 | stop_address = (unsigned long) &vmem_map[ | ||
547 | pgdat->node_start_pfn + pgdat->node_spanned_pages]; | ||
548 | |||
549 | do { | ||
550 | pgd_t *pgd; | ||
551 | pud_t *pud; | ||
552 | pmd_t *pmd; | ||
553 | pte_t *pte; | ||
554 | |||
555 | pgd = pgd_offset_k(end_address); | ||
556 | if (pgd_none(*pgd)) { | ||
557 | end_address += PGDIR_SIZE; | ||
558 | continue; | ||
559 | } | ||
560 | |||
561 | pud = pud_offset(pgd, end_address); | ||
562 | if (pud_none(*pud)) { | ||
563 | end_address += PUD_SIZE; | ||
564 | continue; | ||
565 | } | ||
566 | |||
567 | pmd = pmd_offset(pud, end_address); | ||
568 | if (pmd_none(*pmd)) { | ||
569 | end_address += PMD_SIZE; | ||
570 | continue; | ||
571 | } | ||
572 | |||
573 | pte = pte_offset_kernel(pmd, end_address); | ||
574 | retry_pte: | ||
575 | if (pte_none(*pte)) { | ||
576 | end_address += PAGE_SIZE; | ||
577 | pte++; | ||
578 | if ((end_address < stop_address) && | ||
579 | (end_address != ALIGN(end_address, 1UL << PMD_SHIFT))) | ||
580 | goto retry_pte; | ||
581 | continue; | ||
582 | } | ||
583 | /* Found next valid vmem_map page */ | ||
584 | break; | ||
585 | } while (end_address < stop_address); | ||
586 | |||
587 | end_address = min(end_address, stop_address); | ||
588 | end_address = end_address - (unsigned long) vmem_map + sizeof(struct page) - 1; | ||
589 | hole_next_pfn = end_address / sizeof(struct page); | ||
590 | return hole_next_pfn - pgdat->node_start_pfn; | ||
591 | } | ||
592 | #else | ||
593 | static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i) | ||
594 | { | ||
595 | return i + 1; | ||
596 | } | ||
597 | #endif | ||
598 | |||
599 | /** | 537 | /** |
600 | * show_mem - give short summary of memory stats | 538 | * show_mem - give short summary of memory stats |
601 | * | 539 | * |
@@ -625,7 +563,8 @@ void show_mem(void) | |||
625 | if (pfn_valid(pgdat->node_start_pfn + i)) | 563 | if (pfn_valid(pgdat->node_start_pfn + i)) |
626 | page = pfn_to_page(pgdat->node_start_pfn + i); | 564 | page = pfn_to_page(pgdat->node_start_pfn + i); |
627 | else { | 565 | else { |
628 | i = find_next_valid_pfn_for_pgdat(pgdat, i) - 1; | 566 | i = vmemmap_find_next_valid_pfn(pgdat->node_id, |
567 | i) - 1; | ||
629 | continue; | 568 | continue; |
630 | } | 569 | } |
631 | if (PageReserved(page)) | 570 | if (PageReserved(page)) |