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SubjectRe: [BUG] page allocation failure reading procfs ipv6 configuration files with cgroups
On Sat, Feb 20, 2021 at 12:36 PM Matthew Wilcox <willy@infradead.org> wrote:
>
> On Sat, Feb 20, 2021 at 12:29:18PM -0500, Peter Geis wrote:
> > Good Afternoon,
> >
> > I have been tracking down a regular bug that triggers when running OpenWRT in a lxd container.
> > Every ten minutes I was greeted with the following splat in the kernel log:
> >
> > [2122311.383389] warn_alloc: 3 callbacks suppressed
> > [2122311.383403] cat: page allocation failure: order:5, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=lxc.payload.openwrt,mems_allowed=0
>
> You want this patch:
>
> https://lore.kernel.org/linux-fsdevel/6345270a2c1160b89dd5e6715461f388176899d1.1612972413.git.josef@toxicpanda.com/

I've tested this patch against 5.10.17 for 36 hours and can confirm it
solves the problem.
Thank you.

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