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-rw-r--r--arch/s390/include/asm/hugetlb.h26
1 files changed, 0 insertions, 26 deletions
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
index bb8343d157bc..b56403c2df28 100644
--- a/arch/s390/include/asm/hugetlb.h
+++ b/arch/s390/include/asm/hugetlb.h
@@ -37,32 +37,6 @@ static inline int prepare_hugepage_range(struct file *file,
37int arch_prepare_hugepage(struct page *page); 37int arch_prepare_hugepage(struct page *page);
38void arch_release_hugepage(struct page *page); 38void arch_release_hugepage(struct page *page);
39 39
40static inline pte_t pte_mkhuge(pte_t pte)
41{
42 /*
43 * PROT_NONE needs to be remapped from the pte type to the ste type.
44 * The HW invalid bit is also different for pte and ste. The pte
45 * invalid bit happens to be the same as the ste _SEGMENT_ENTRY_LARGE
46 * bit, so we don't have to clear it.
47 */
48 if (pte_val(pte) & _PAGE_INVALID) {
49 if (pte_val(pte) & _PAGE_SWT)
50 pte_val(pte) |= _HPAGE_TYPE_NONE;
51 pte_val(pte) |= _SEGMENT_ENTRY_INV;
52 }
53 /*
54 * Clear SW pte bits SWT and SWX, there are no SW bits in a segment
55 * table entry.
56 */
57 pte_val(pte) &= ~(_PAGE_SWT | _PAGE_SWX);
58 /*
59 * Also set the change-override bit because we don't need dirty bit
60 * tracking for hugetlbfs pages.
61 */
62 pte_val(pte) |= (_SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_CO);
63 return pte;
64}
65
66static inline pte_t huge_pte_wrprotect(pte_t pte) 40static inline pte_t huge_pte_wrprotect(pte_t pte)
67{ 41{
68 pte_val(pte) |= _PAGE_RO; 42 pte_val(pte) |= _PAGE_RO;