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-rw-r--r--arch/s390/include/asm/pgtable.h2
-rw-r--r--arch/s390/include/asm/tlb.h11
-rw-r--r--arch/s390/mm/gmap.c5
3 files changed, 10 insertions, 8 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 11e901286414..b26cbf1c533c 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1774,8 +1774,6 @@ static inline swp_entry_t __swp_entry(unsigned long type, unsigned long offset)
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-#define kern_addr_valid(addr) (1)
-
extern int vmem_add_mapping(unsigned long start, unsigned long size);
extern void vmem_remove_mapping(unsigned long start, unsigned long size);
extern int __vmem_map_4k_page(unsigned long addr, unsigned long phys, pgprot_t prot, bool alloc);
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index 3a5c8fb590e5..b91f4a9b044c 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -25,7 +25,8 @@
void __tlb_remove_table(void *_table);
static inline void tlb_flush(struct mmu_gather *tlb);
static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
- struct page *page, int page_size);
+ struct encoded_page *page,
+ int page_size);
#define tlb_flush tlb_flush
#define pte_free_tlb pte_free_tlb
@@ -40,11 +41,15 @@ static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
* Release the page cache reference for a pte removed by
* tlb_ptep_clear_flush. In both flush modes the tlb for a page cache page
* has already been freed, so just do free_page_and_swap_cache.
+ *
+ * s390 doesn't delay rmap removal, so there is nothing encoded in
+ * the page pointer.
*/
static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
- struct page *page, int page_size)
+ struct encoded_page *page,
+ int page_size)
{
- free_page_and_swap_cache(page);
+ free_page_and_swap_cache(encoded_page_ptr(page));
return false;
}
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 02d15c8dc92e..8947451ae021 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -336,12 +336,11 @@ static int gmap_alloc_table(struct gmap *gmap, unsigned long *table,
static unsigned long __gmap_segment_gaddr(unsigned long *entry)
{
struct page *page;
- unsigned long offset, mask;
+ unsigned long offset;
offset = (unsigned long) entry / sizeof(unsigned long);
offset = (offset & (PTRS_PER_PMD - 1)) * PMD_SIZE;
- mask = ~(PTRS_PER_PMD * sizeof(pmd_t) - 1);
- page = virt_to_page((void *)((unsigned long) entry & mask));
+ page = pmd_pgtable_page((pmd_t *) entry);
return page->index + offset;
}