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Re: 4.1.28 is broken due to "mm/swap.c: flush lru pvecs on compound page arrival"

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On Sat, Jul 16, 2016 at 10:46:17AM -0400, Mikulas Patocka wrote:
> Hi
> 
> The patch c5ad33184354260be6d05de57e46a5498692f6d6 on the kernel v4.1.28 
> breaks the kernel. The kernel crashes when executing the boot scripts with 
> "kernel panic: Out of memory and no killable processes...". The machine 
> has 512MB ram and 1 core.
> 
> Note that the upstream kernel 4.7-rc4 with this patch works, but when the 
> patch is backported to the 4.1 branch, it makes the system unbootable.

It seems a bug was introduced at backport time, I think.
Please, look at http://marc.info/?l=linux-mm&m=146868046305014&w=2

> 
> Mikulas

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4.1.28 is broken due to "mm/swap.c: flush lru pvecs on compound page  arrival" Mikulas Patocka <mpatocka@redhat.com> - 2016-07-16 16:50 +0200
  Re: 4.1.28 is broken due to "mm/swap.c: flush lru pvecs on compound  page arrival" Minchan Kim <minchan@kernel.org> - 2016-07-16 17:00 +0200

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