summaryrefslogtreecommitdiff
path: root/arch/sparc/mm/hugetlbpage.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/mm/hugetlbpage.c')
-rw-r--r--arch/sparc/mm/hugetlbpage.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index 80504148d8a5..4b9431311e05 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -295,122 +295,3 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
return entry;
}
-
-static void hugetlb_free_pte_range(struct mmu_gather *tlb, pmd_t *pmd,
- unsigned long addr)
-{
- pgtable_t token = pmd_pgtable(*pmd);
-
- pmd_clear(pmd);
- pte_free_tlb(tlb, token, addr);
- mm_dec_nr_ptes(tlb->mm);
-}
-
-static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
- unsigned long addr, unsigned long end,
- unsigned long floor, unsigned long ceiling)
-{
- pmd_t *pmd;
- unsigned long next;
- unsigned long start;
-
- start = addr;
- pmd = pmd_offset(pud, addr);
- do {
- next = pmd_addr_end(addr, end);
- if (pmd_none(*pmd))
- continue;
- if (is_hugetlb_pmd(*pmd))
- pmd_clear(pmd);
- else
- hugetlb_free_pte_range(tlb, pmd, addr);
- } while (pmd++, addr = next, addr != end);
-
- start &= PUD_MASK;
- if (start < floor)
- return;
- if (ceiling) {
- ceiling &= PUD_MASK;
- if (!ceiling)
- return;
- }
- if (end - 1 > ceiling - 1)
- return;
-
- pmd = pmd_offset(pud, start);
- pud_clear(pud);
- pmd_free_tlb(tlb, pmd, start);
- mm_dec_nr_pmds(tlb->mm);
-}
-
-static void hugetlb_free_pud_range(struct mmu_gather *tlb, p4d_t *p4d,
- unsigned long addr, unsigned long end,
- unsigned long floor, unsigned long ceiling)
-{
- pud_t *pud;
- unsigned long next;
- unsigned long start;
-
- start = addr;
- pud = pud_offset(p4d, addr);
- do {
- next = pud_addr_end(addr, end);
- if (pud_none_or_clear_bad(pud))
- continue;
- if (is_hugetlb_pud(*pud))
- pud_clear(pud);
- else
- hugetlb_free_pmd_range(tlb, pud, addr, next, floor,
- ceiling);
- } while (pud++, addr = next, addr != end);
-
- start &= PGDIR_MASK;
- if (start < floor)
- return;
- if (ceiling) {
- ceiling &= PGDIR_MASK;
- if (!ceiling)
- return;
- }
- if (end - 1 > ceiling - 1)
- return;
-
- pud = pud_offset(p4d, start);
- p4d_clear(p4d);
- pud_free_tlb(tlb, pud, start);
- mm_dec_nr_puds(tlb->mm);
-}
-
-void hugetlb_free_pgd_range(struct mmu_gather *tlb,
- unsigned long addr, unsigned long end,
- unsigned long floor, unsigned long ceiling)
-{
- pgd_t *pgd;
- p4d_t *p4d;
- unsigned long next;
-
- addr &= PMD_MASK;
- if (addr < floor) {
- addr += PMD_SIZE;
- if (!addr)
- return;
- }
- if (ceiling) {
- ceiling &= PMD_MASK;
- if (!ceiling)
- return;
- }
- if (end - 1 > ceiling - 1)
- end -= PMD_SIZE;
- if (addr > end - 1)
- return;
-
- pgd = pgd_offset(tlb->mm, addr);
- p4d = p4d_offset(pgd, addr);
- do {
- next = p4d_addr_end(addr, end);
- if (p4d_none_or_clear_bad(p4d))
- continue;
- hugetlb_free_pud_range(tlb, p4d, addr, next, floor, ceiling);
- } while (p4d++, addr = next, addr != end);
-}