1 files changed, 12 insertions, 4 deletions

diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 565b7a237c84..91c7b8636b8a 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -30,6 +30,7 @@
 #include <linux/kprobes.h>
 #include <linux/kdebug.h>
 
+#include <asm/firmware.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/mmu.h>
@@ -283,7 +284,7 @@ good_area:
                                 }
                                 pte_update(ptep, 0, _PAGE_HWEXEC |
                                            _PAGE_ACCESSED);
-                                _tlbie(address, mm->context.id);
+                                local_flush_tlb_page(vma, address);
                                 pte_unmap_unlock(ptep, ptl);
                                 up_read(&mm->mmap_sem);
                                 return 0;
@@ -318,9 +319,16 @@ good_area:
                         goto do_sigbus;
                 BUG();
         }
-        if (ret & VM_FAULT_MAJOR)
+        if (ret & VM_FAULT_MAJOR) {
                 current->maj_flt++;
-        else
+#ifdef CONFIG_PPC_SMLPAR
+                if (firmware_has_feature(FW_FEATURE_CMO)) {
+                        preempt_disable();
+                        get_lppaca()->page_ins += (1 << PAGE_FACTOR);
+                        preempt_enable();
+                }
+#endif
+        } else
                 current->min_flt++;
         up_read(&mm->mmap_sem);
         return 0;
@@ -339,7 +347,7 @@ bad_area_nosemaphore:
             && printk_ratelimit())
                 printk(KERN_CRIT "kernel tried to execute NX-protected"
                        " page (%lx) - exploit attempt? (uid: %d)\n",
-                       address, current->uid);
+                       address, current_uid());
 
         return SIGSEGV;