2 files changed, 9 insertions, 7 deletions

diff --git a/arch/ppc64/kernel/mpic.c b/arch/ppc64/kernel/mpic.c
index cc262a05ddb4..5f5bc73754d9 100644
--- a/arch/ppc64/kernel/mpic.c
+++ b/arch/ppc64/kernel/mpic.c
@@ -506,8 +506,8 @@ struct mpic * __init mpic_alloc(unsigned long phys_addr,
         mpic->senses_count = senses_count;
 
         /* Map the global registers */
-        mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000);
-        mpic->tmregs = mpic->gregs + (MPIC_TIMER_BASE >> 2);
+        mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x2000);
+        mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >> 2);
         BUG_ON(mpic->gregs == NULL);
 
         /* Reset */
diff --git a/arch/ppc64/kernel/vdso.c b/arch/ppc64/kernel/vdso.c
index efa985f05aca..4aacf521e3e4 100644
--- a/arch/ppc64/kernel/vdso.c
+++ b/arch/ppc64/kernel/vdso.c
@@ -176,13 +176,13 @@ static struct page * vdso_vma_nopage(struct vm_area_struct * vma,
                 return NOPAGE_SIGBUS;
 
         /*
-         * Last page is systemcfg, special handling here, no get_page() a
-         * this is a reserved page
+         * Last page is systemcfg.
          */
         if ((vma->vm_end - address) <= PAGE_SIZE)
-                return virt_to_page(systemcfg);
+                pg = virt_to_page(systemcfg);
+        else
+                pg = virt_to_page(vbase + offset);
 
-        pg = virt_to_page(vbase + offset);
         get_page(pg);
         DBG(" ->page count: %d\n", page_count(pg));
 
@@ -259,7 +259,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack)
          * gettimeofday will be totally dead. It's fine to use that for setting
          * breakpoints in the vDSO code pages though
          */
-        vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;
+        vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC | VM_RESERVED;
         vma->vm_flags |= mm->def_flags;
         vma->vm_page_prot = protection_map[vma->vm_flags & 0x7];
         vma->vm_ops = &vdso_vmops;
@@ -603,6 +603,8 @@ void __init vdso_init(void)
                 ClearPageReserved(pg);
                 get_page(pg);
         }
+
+        get_page(virt_to_page(systemcfg));
 }
 
 int in_gate_area_no_task(unsigned long addr)