diff options
Diffstat (limited to 'arch/powerpc/kernel/vdso.c')
| -rw-r--r-- | arch/powerpc/kernel/vdso.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index 5214cd4909f8..e10bc0d9856c 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -123,7 +123,7 @@ static int vdso_mremap(const struct vm_special_mapping *sm, struct vm_area_struc if (new_size != text_size + PAGE_SIZE) return -EINVAL; - current->mm->context.vdso = (void __user *)new_vma->vm_start; + current->mm->context.vdso = (void __user *)new_vma->vm_start + PAGE_SIZE; return 0; } @@ -198,7 +198,7 @@ static int __arch_setup_additional_pages(struct linux_binprm *bprm, int uses_int * install_special_mapping or the perf counter mmap tracking code * will fail to recognise it as a vDSO. */ - mm->context.vdso = (void __user *)vdso_base; + mm->context.vdso = (void __user *)vdso_base + PAGE_SIZE; /* * our vma flags don't have VM_WRITE so by default, the process isn't @@ -507,7 +507,7 @@ static __init int vdso_fixup_datapage(struct lib32_elfinfo *v32, return -1; } *((int *)(vdso64_kbase + sym64->st_value - VDSO64_LBASE)) = - (vdso64_pages << PAGE_SHIFT) - + -PAGE_SIZE - (sym64->st_value - VDSO64_LBASE); #endif /* CONFIG_PPC64 */ @@ -519,7 +519,7 @@ static __init int vdso_fixup_datapage(struct lib32_elfinfo *v32, return -1; } *((int *)(vdso32_kbase + (sym32->st_value - VDSO32_LBASE))) = - (vdso32_pages << PAGE_SHIFT) - + -PAGE_SIZE - (sym32->st_value - VDSO32_LBASE); #endif @@ -693,10 +693,10 @@ static struct page ** __init vdso_setup_pages(void *start, void *end) if (!pagelist) panic("%s: Cannot allocate page list for VDSO", __func__); - for (i = 0; i < pages; i++) - pagelist[i] = virt_to_page(start + i * PAGE_SIZE); + pagelist[0] = virt_to_page(vdso_data); - pagelist[i] = virt_to_page(vdso_data); + for (i = 0; i < pages; i++) + pagelist[i + 1] = virt_to_page(start + i * PAGE_SIZE); return pagelist; } |