diff options
Diffstat (limited to 'arch/ia64/mm/init.c')
| -rw-r--r-- | arch/ia64/mm/init.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 25c350264a41..6b3345758d3e 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -278,6 +278,37 @@ setup_gate (void) ia64_patch_gate(); } +static struct vm_area_struct gate_vma; + +static int __init gate_vma_init(void) +{ + gate_vma.vm_mm = NULL; + gate_vma.vm_start = FIXADDR_USER_START; + gate_vma.vm_end = FIXADDR_USER_END; + gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; + gate_vma.vm_page_prot = __P101; + + return 0; +} +__initcall(gate_vma_init); + +struct vm_area_struct *get_gate_vma(struct mm_struct *mm) +{ + return &gate_vma; +} + +int in_gate_area_no_mm(unsigned long addr) +{ + if ((addr >= FIXADDR_USER_START) && (addr < FIXADDR_USER_END)) + return 1; + return 0; +} + +int in_gate_area(struct mm_struct *mm, unsigned long addr) +{ + return in_gate_area_no_mm(addr); +} + void ia64_mmu_init(void *my_cpu_data) { unsigned long pta, impl_va_bits; @@ -631,7 +662,8 @@ int arch_add_memory(int nid, u64 start, u64 size) pgdat = NODE_DATA(nid); - zone = pgdat->node_zones + ZONE_NORMAL; + zone = pgdat->node_zones + + zone_for_memory(nid, start, size, ZONE_NORMAL); ret = __add_pages(nid, zone, start_pfn, nr_pages); if (ret) |