[IA64] 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.

Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 3 insertions, 10 deletions

diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 19261a99e62..0799fea4c58 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -148,7 +148,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
         if ((vma->vm_flags & mask) != mask)
                 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
@@ -276,13 +275,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
 
   out_of_memory:
         up_read(&mm->mmap_sem);
-        if (is_global_init(current)) {
-                yield();
-                down_read(&mm->mmap_sem);
-                goto survive;
-        }
-        printk(KERN_CRIT "VM: killing process %s\n", current->comm);
-        if (user_mode(regs))
-                do_group_exit(SIGKILL);
-        goto no_context;
+        if (!user_mode(regs))
+                goto no_context;
+        pagefault_out_of_memory();
 }