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Diffstat (limited to 'arch/s390/mm/vmem.c')
-rw-r--r--arch/s390/mm/vmem.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index ffab84db6907..35837054f734 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -191,19 +191,16 @@ static void vmem_remove_range(unsigned long start, unsigned long size)
/*
* Add a backed mem_map array to the virtual mem_map array.
*/
-int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node)
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
{
- unsigned long address, start_addr, end_addr;
+ unsigned long address = start;
pgd_t *pg_dir;
pud_t *pu_dir;
pmd_t *pm_dir;
pte_t *pt_dir;
int ret = -ENOMEM;
- start_addr = (unsigned long) start;
- end_addr = (unsigned long) (start + nr);
-
- for (address = start_addr; address < end_addr;) {
+ for (address = start; address < end;) {
pg_dir = pgd_offset_k(address);
if (pgd_none(*pg_dir)) {
pu_dir = vmem_pud_alloc();
@@ -262,14 +259,14 @@ int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node)
}
address += PAGE_SIZE;
}
- memset(start, 0, nr * sizeof(struct page));
+ memset((void *)start, 0, end - start);
ret = 0;
out:
- flush_tlb_kernel_range(start_addr, end_addr);
+ flush_tlb_kernel_range(start, end);
return ret;
}
-void vmemmap_free(struct page *memmap, unsigned long nr_pages)
+void vmemmap_free(unsigned long start, unsigned long end)
{
}