> On Wed, 17 Jan 2007 00:01:58 -0800 Paul Jackson <[email protected]> wrote:
> Andrew wrote:
> > - consider going off-cpuset for critical allocations.
>
> We do ... in mm/page_alloc.c:
>
> * This is the last chance, in general, before the goto nopage.
> * Ignore cpuset if GFP_ATOMIC (!wait) rather than fail alloc.
> * See also cpuset_zone_allowed() comment in kernel/cpuset.c.
> */
> page = get_page_from_freelist(gfp_mask, order, zonelist, alloc_flags);
>
> We also allow GFP_KERNEL requests to escape the current cpuset, to the nearest
> enclosing mem_exclusive cpuset, which is typically a big cpuset covering most
> of the system.
hrm. So how come NFS is getting oom-killings?
The oom-killer normally spews lots of useful stuff, including backtrace. For some
reason that's not coming out for Christoph. Log facility level, perhaps?
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