Re: [PATCH] cpuset: fix allocating page cache/slab object on the unallowed node when memory spread is set

Paul Menage
2009-02-12T21:54:14Z

On Thu, Feb 12, 2009 at 12:23 AM, Miao Xie <miaox@cn.fujitsu.com> wrote:
>
> In the extreme case, Task1 will be completely unable to allocate memory
> at worst. At least, it will lead to the delay of allocate pages. Though
> the probability of this case is very low, we have to take into account.

As Nick says, this is basically maliciousness on the part of
(privileged) Task2. I don't think it's a situation we need to even try
to deal with (other than not oopsing, and doing the right thing once
Task2 stops being an ass).

Paul