MIPS: Port "mm: invoke oom-killer from page fault" from UML / x86
Original commit 1c0fe6e3bda0464728c23c8d84aa47567e8b716c.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index fa636fc..55767ad 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -97,7 +97,6 @@
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
@@ -167,21 +166,13 @@
field, regs->regs[31]);
die("Oops", regs);
-/*
- * 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:
- 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 (user_mode(regs))
- do_group_exit(SIGKILL);
- goto no_context;
+ /*
+ * We ran out of memory, call the OOM killer, and return the userspace
+ * (which will retry the fault, or kill us if we got oom-killed).
+ */
+ pagefault_out_of_memory();
+ return;
do_sigbus:
up_read(&mm->mmap_sem);