diff options
Diffstat (limited to 'arch/s390/mm/vmem.c')
-rw-r--r-- | arch/s390/mm/vmem.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index ffab84db6907..8b268fcc4612 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) { } @@ -378,9 +375,8 @@ void __init vmem_map_init(void) ro_start = PFN_ALIGN((unsigned long)&_stext); ro_end = (unsigned long)&_eshared & PAGE_MASK; - for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) { - if (memory_chunk[i].type == CHUNK_CRASHK || - memory_chunk[i].type == CHUNK_OLDMEM) + for (i = 0; i < MEMORY_CHUNKS; i++) { + if (!memory_chunk[i].size) continue; start = memory_chunk[i].addr; end = memory_chunk[i].addr + memory_chunk[i].size; @@ -415,9 +411,6 @@ static int __init vmem_convert_memory_chunk(void) for (i = 0; i < MEMORY_CHUNKS; i++) { if (!memory_chunk[i].size) continue; - if (memory_chunk[i].type == CHUNK_CRASHK || - memory_chunk[i].type == CHUNK_OLDMEM) - continue; seg = kzalloc(sizeof(*seg), GFP_KERNEL); if (!seg) panic("Out of memory...\n"); |