m32r: invoke oom-killer from page fault

As explained in commit 1c0fe6e3bd ("mm: invoke oom-killer from page
fault") , we want to call the architecture independent oom killer when
getting an unexplained OOM from handle_mm_fault, rather than simply
killing current.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 10 deletions

diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c
index 28ee389e5f5a..b8ec002aef8e 100644
--- a/arch/m32r/mm/fault.c
+++ b/arch/m32r/mm/fault.c
@@ -188,7 +188,6 @@ good_area:
         if ((error_code & ACE_INSTRUCTION) && !(vma->vm_flags & VM_EXEC))
           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
@@ -271,15 +270,10 @@ no_context:
  */
 out_of_memory:
         up_read(&mm->mmap_sem);
-        if (is_global_init(tsk)) {
-                yield();
-                down_read(&mm->mmap_sem);
-                goto survive;
-        }
-        printk("VM: killing process %s\n", tsk->comm);
-        if (error_code & ACE_USERMODE)
-                do_group_exit(SIGKILL);
-        goto no_context;
+        if (!(error_code & ACE_USERMODE))
+                goto no_context;
+        pagefault_out_of_memory();
+        return;
 
 do_sigbus:
         up_read(&mm->mmap_sem);