/* Software bits in the page table entry */
#define _PAGE_SWT 0x001 /* SW pte type bit t */
#define _PAGE_SWX 0x002 /* SW pte type bit x */
+#define _PAGE_SPECIAL 0x004 /* SW associated with special page */
+#define __HAVE_ARCH_PTE_SPECIAL
/* Six different types of pages. */
#define _PAGE_TYPE_EMPTY 0x400
return (pte_val(pte) & mask) == _PAGE_TYPE_FILE;
}
+static inline int pte_special(pte_t pte)
+{
+ return (pte_val(pte) & _PAGE_SPECIAL);
+}
+
#define __HAVE_ARCH_PTE_SAME
#define pte_same(a,b) (pte_val(a) == pte_val(b))
skey = page_get_storage_key(page_to_phys(page));
if (skey & _PAGE_CHANGED)
- set_bit(RCP_GC_BIT, pgste);
+ set_bit_simple(RCP_GC_BIT, pgste);
if (skey & _PAGE_REFERENCED)
- set_bit(RCP_GR_BIT, pgste);
- if (test_and_clear_bit(RCP_HC_BIT, pgste))
+ set_bit_simple(RCP_GR_BIT, pgste);
+ if (test_and_clear_bit_simple(RCP_HC_BIT, pgste))
SetPageDirty(page);
- if (test_and_clear_bit(RCP_HR_BIT, pgste))
+ if (test_and_clear_bit_simple(RCP_HR_BIT, pgste))
SetPageReferenced(page);
#endif
}
return pte;
}
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+ pte_val(pte) |= _PAGE_SPECIAL;
+ return pte;
+}
+
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
static inline int ptep_test_and_clear_young(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
young = ((page_get_storage_key(physpage) & _PAGE_REFERENCED) != 0);
rcp_lock(ptep);
if (young)
- set_bit(RCP_GR_BIT, pgste);
- young |= test_and_clear_bit(RCP_HR_BIT, pgste);
+ set_bit_simple(RCP_GR_BIT, pgste);
+ young |= test_and_clear_bit_simple(RCP_HR_BIT, pgste);
rcp_unlock(ptep);
return young;
#endif