diff options
Diffstat (limited to 'arch/nios2/mm/init.c')
| -rw-r--r-- | arch/nios2/mm/init.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c index 3459df28afee..a2278485de19 100644 --- a/arch/nios2/mm/init.c +++ b/arch/nios2/mm/init.c @@ -82,6 +82,10 @@ void __init mmu_init(void) pgd_t swapper_pg_dir[PTRS_PER_PGD] __aligned(PAGE_SIZE); pte_t invalid_pte_table[PTRS_PER_PTE] __aligned(PAGE_SIZE); static struct page *kuser_page[1]; +static struct vm_special_mapping vdso_mapping = { + .name = "[vdso]", + .pages = kuser_page, +}; static int alloc_kuser_page(void) { @@ -106,18 +110,18 @@ arch_initcall(alloc_kuser_page); int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) { struct mm_struct *mm = current->mm; - int ret; + struct vm_area_struct *vma; mmap_write_lock(mm); /* Map kuser helpers to user space address */ - ret = install_special_mapping(mm, KUSER_BASE, KUSER_SIZE, + vma = _install_special_mapping(mm, KUSER_BASE, KUSER_SIZE, VM_READ | VM_EXEC | VM_MAYREAD | - VM_MAYEXEC, kuser_page); + VM_MAYEXEC, &vdso_mapping); mmap_write_unlock(mm); - return ret; + return IS_ERR(vma) ? PTR_ERR(vma) : 0; } const char *arch_vma_name(struct vm_area_struct *vma) |