Re: Linux 3.19-rc3

Catalin Marinas
2015-01-08T17:34:29Z

On Thu, Jan 08, 2015 at 05:29:40PM +0000, Mark Langsdorf wrote:
> On 01/08/2015 07:45 AM, Catalin Marinas wrote:
> > On Thu, Jan 08, 2015 at 12:51:31PM +0000, Mark Langsdorf wrote:
> >> On 01/05/2015 07:46 PM, Linus Torvalds wrote:
> >>> It's a day delayed - not because of any particular development issues,
> >>> but simply because I was tiling a bathroom yesterday. But rc3 is out
> >>> there now, and things have stayed reasonably calm. I really hope that
> >>> implies that 3.19 is looking good, but it's equally likely that it's
> >>> just that people are still recovering from the holiday season.
> >>
> >> I'm consistently getting an out of memory killer triggered when
> >> compiling the kernel (make -j 16 -s) on a 16 core ARM64 system
> >> with 16 GB of memory. This doesn't happen when running a 3.18
> >> kernel.
> >>
> >> I'm going to start bisecting the failure now, but here's the crash
> >> log in case someone can see something obvious in it.
>
> > Can you disable (transparent) huge pages? I don't have any better at the
> > moment suggestion apart from bisecting.
>
> I didn't have transparent huge pages on. Turning off hugetblfs didn't
> change anything. Turning off 64K pages isn't an option because of
> firmware constraints.

What constraints are these? I thought they could only happen the other
way around (4K to 64K).

--
Catalin