alpha: invoke oom-killer from page fault

As explained in commit 1c0fe6e3bd, we want to call the architecture
independent oom killer when getting an unexplained OOM from
handle_mm_fault, rather than simply killing current.

[mattst88: kill now unused 'survive' label]
Cc: linux-alpha@vger.kernel.org
Cc: Richard Henderson <rth@twiddle.net>
Cc: linux-arch@vger.kernel.org
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Nick Piggin <npiggin@suse.de>

1 files changed, 2 insertions, 9 deletions

diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index 00a31deaa96e..fadd5f882ff9 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -142,7 +142,6 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
                         goto bad_area;
         }
 
- survive:
         /* If for any reason at all we couldn't handle the fault,
            make sure we exit gracefully rather than endlessly redo
            the fault.  */
@@ -188,16 +187,10 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
         /* We ran out of memory, or some other thing happened to us that
            made us unable to handle the page fault gracefully.  */
  out_of_memory:
-        if (is_global_init(current)) {
-                yield();
-                down_read(&mm->mmap_sem);
-                goto survive;
-        }
-        printk(KERN_ALERT "VM: killing process %s(%d)\n",
-               current->comm, task_pid_nr(current));
         if (!user_mode(regs))
                 goto no_context;
-        do_group_exit(SIGKILL);
+        pagefault_out_of_memory();
+        return;
 
  do_sigbus:
         /* Send a sigbus, regardless of whether we were in kernel