Re: [RFC Patch 0/2] mm: Add parameters to make kernel behavior atmemory error on dirty cache selectable

From: KOSAKI Motohiro
Date: Thu Apr 11 2013 - 11:15:34 EST


(4/10/13 11:26 PM), Mitsuhiro Tanino wrote:
> Hi All,
> Please find a patch set that introduces these new sysctl interfaces,
> to handle a case when an memory error is detected on dirty page cache.
>
> - vm.memory_failure_dirty_panic

Panic knob is ok to me. However I agree with Andi. If we need panic know,
it should handle generic IO error and data lost.


> - vm.memory_failure_print_ratelimit
> - vm.memory_failure_print_ratelimit_burst

But this is totally silly.
print_ratelimit might ommit important messages. Please do a right way.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/