Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c7c1e384 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

MIPS: Port "mm: invoke oom-killer from page fault" from UML / x86



Original commit 1c0fe6e3.

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent a8ca8b64
Loading
Loading
Loading
Loading
+6 −15
Original line number Diff line number Diff line
@@ -97,7 +97,6 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write,
			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 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write,
	       field,  regs->regs[31]);
	die("Oops", regs);

out_of_memory:
	/*
 * We ran out of memory, or some other thing happened to us that made
 * us unable to handle the page fault gracefully.
	 * 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).
	 */
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;
	pagefault_out_of_memory();
	return;

do_sigbus:
	up_read(&mm->mmap_sem);