s390/mm: implement software referenced bits

[deliverable/linux.git] / arch / s390 / include / asm / page.h

diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index 27f04801ec8bc2178d6286f69a037190b64dbae5..1e51f2915b2eea6a1396c7dfb2d63ffc2f671ee9 100644 (file)
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -140,15 +140,6 @@ static inline int page_reset_referenced(unsigned long addr)
 #define _PAGE_FP_BIT           0x08    /* HW fetch protection bit      */
 #define _PAGE_ACC_BITS         0xf0    /* HW access control bits       */
 
-/*
- * Test and clear referenced bit in storage key.
- */
-#define __HAVE_ARCH_PAGE_TEST_AND_CLEAR_YOUNG
-static inline int page_test_and_clear_young(unsigned long pfn)
-{
-       return page_reset_referenced(pfn << PAGE_SHIFT);
-}
-
 struct page;
 void arch_free_page(struct page *page, int order);
 void arch_alloc_page(struct page *page, int order);