s390/mm: move kernel_page_present/kernel_map_pages to page_attr.c

Keep related functions together and move to appropriate file.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

3 files changed, 43 insertions, 44 deletions

diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index c6188ef72d33..ae672f41c464 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -158,34 +158,6 @@ void __init mem_init(void)
                PFN_ALIGN((unsigned long)&_eshared) - 1);
 }
 
-#ifdef CONFIG_DEBUG_PAGEALLOC
-void kernel_map_pages(struct page *page, int numpages, int enable)
-{
-        pgd_t *pgd;
-        pud_t *pud;
-        pmd_t *pmd;
-        pte_t *pte;
-        unsigned long address;
-        int i;
-
-        for (i = 0; i < numpages; i++) {
-                address = page_to_phys(page + i);
-                pgd = pgd_offset_k(address);
-                pud = pud_offset(pgd, address);
-                pmd = pmd_offset(pud, address);
-                pte = pte_offset_kernel(pmd, address);
-                if (!enable) {
-                        __ptep_ipte(address, pte);
-                        pte_val(*pte) = _PAGE_TYPE_EMPTY;
-                        continue;
-                }
-                *pte = mk_pte_phys(address, __pgprot(_PAGE_TYPE_RW));
-                /* Flush cpu write queue. */
-                mb();
-        }
-}
-#endif
-
 void free_init_pages(char *what, unsigned long begin, unsigned long end)
 {
         unsigned long addr = begin;
diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c
index 73c3da393e88..29ccee3651f4 100644
--- a/arch/s390/mm/pageattr.c
+++ b/arch/s390/mm/pageattr.c
@@ -105,3 +105,46 @@ int set_memory_x(unsigned long addr, int numpages)
 {
         return 0;
 }
+
+#ifdef CONFIG_DEBUG_PAGEALLOC
+void kernel_map_pages(struct page *page, int numpages, int enable)
+{
+        unsigned long address;
+        pgd_t *pgd;
+        pud_t *pud;
+        pmd_t *pmd;
+        pte_t *pte;
+        int i;
+
+        for (i = 0; i < numpages; i++) {
+                address = page_to_phys(page + i);
+                pgd = pgd_offset_k(address);
+                pud = pud_offset(pgd, address);
+                pmd = pmd_offset(pud, address);
+                pte = pte_offset_kernel(pmd, address);
+                if (!enable) {
+                        __ptep_ipte(address, pte);
+                        pte_val(*pte) = _PAGE_TYPE_EMPTY;
+                        continue;
+                }
+                *pte = mk_pte_phys(address, __pgprot(_PAGE_TYPE_RW));
+        }
+}
+
+#ifdef CONFIG_HIBERNATION
+bool kernel_page_present(struct page *page)
+{
+        unsigned long addr;
+        int cc;
+
+        addr = page_to_phys(page);
+        asm volatile(
+                "       lra     %1,0(%1)\n"
+                "       ipm     %0\n"
+                "       srl     %0,28"
+                : "=d" (cc), "+a" (addr) : : "cc");
+        return cc == 0;
+}
+#endif /* CONFIG_HIBERNATION */
+
+#endif /* CONFIG_DEBUG_PAGEALLOC */
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index c8188a18af05..ae44d2a34313 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -881,22 +881,6 @@ int s390_enable_sie(void)
 }
 EXPORT_SYMBOL_GPL(s390_enable_sie);
 
-#if defined(CONFIG_DEBUG_PAGEALLOC) && defined(CONFIG_HIBERNATION)
-bool kernel_page_present(struct page *page)
-{
-        unsigned long addr;
-        int cc;
-
-        addr = page_to_phys(page);
-        asm volatile(
-                "       lra     %1,0(%1)\n"
-                "       ipm     %0\n"
-                "       srl     %0,28"
-                : "=d" (cc), "+a" (addr) : : "cc");
-        return cc == 0;
-}
-#endif /* CONFIG_HIBERNATION && CONFIG_DEBUG_PAGEALLOC */
-
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 int pmdp_clear_flush_young(struct vm_area_struct *vma, unsigned long address,
                            pmd_t *pmdp)