summaryrefslogtreecommitdiffstats
path: root/arch/s390/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/hugetlb.h26
-rw-r--r--arch/s390/include/asm/pgtable.h28
2 files changed, 28 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,
int arch_prepare_hugepage(struct page *page);
void arch_release_hugepage(struct page *page);
-static inline pte_t pte_mkhuge(pte_t pte)
-{
- /*
- * PROT_NONE needs to be remapped from the pte type to the ste type.
- * The HW invalid bit is also different for pte and ste. The pte
- * invalid bit happens to be the same as the ste _SEGMENT_ENTRY_LARGE
- * bit, so we don't have to clear it.
- */
- if (pte_val(pte) & _PAGE_INVALID) {
- if (pte_val(pte) & _PAGE_SWT)
- pte_val(pte) |= _HPAGE_TYPE_NONE;
- pte_val(pte) |= _SEGMENT_ENTRY_INV;
- }
- /*
- * Clear SW pte bits SWT and SWX, there are no SW bits in a segment
- * table entry.
- */
- pte_val(pte) &= ~(_PAGE_SWT | _PAGE_SWX);
- /*
- * Also set the change-override bit because we don't need dirty bit
- * tracking for hugetlbfs pages.
- */
- pte_val(pte) |= (_SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_CO);
- return pte;
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
pte_val(pte) |= _PAGE_RO;
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index f79e7bb9ae1e..986dc9476c21 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -772,6 +772,34 @@ static inline pte_t pte_mkspecial(pte_t pte)
return pte;
}
+#ifdef CONFIG_HUGETLB_PAGE
+static inline pte_t pte_mkhuge(pte_t pte)
+{
+ /*
+ * PROT_NONE needs to be remapped from the pte type to the ste type.
+ * The HW invalid bit is also different for pte and ste. The pte
+ * invalid bit happens to be the same as the ste _SEGMENT_ENTRY_LARGE
+ * bit, so we don't have to clear it.
+ */
+ if (pte_val(pte) & _PAGE_INVALID) {
+ if (pte_val(pte) & _PAGE_SWT)
+ pte_val(pte) |= _HPAGE_TYPE_NONE;
+ pte_val(pte) |= _SEGMENT_ENTRY_INV;
+ }
+ /*
+ * Clear SW pte bits SWT and SWX, there are no SW bits in a segment
+ * table entry.
+ */
+ pte_val(pte) &= ~(_PAGE_SWT | _PAGE_SWX);
+ /*
+ * Also set the change-override bit because we don't need dirty bit
+ * tracking for hugetlbfs pages.
+ */
+ pte_val(pte) |= (_SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_CO);
+ return pte;
+}
+#endif
+
#ifdef CONFIG_PGSTE
/*
* Get (and clear) the user dirty bit for a PTE.
OpenPOWER on IntegriCloud