Re: mmotm: mm-slub-optimize-alloc-free-fastpath-by-removing-preemption-on-off.patch is causing preemptible splats

From: Michal Hocko
Date: Wed Jan 21 2015 - 09:11:51 EST


On Wed 21-01-15 15:06:03, Krzysztof KozÅowski wrote:
[...]
> Same here :) [1] . So actually only ARM seems affected (both armv7 and
> armv8) because it is the only one which uses smp_processor_id() in
> my_cpu_offset.

This was on x86_64 with CONFIG_DEBUG_PREEMPT so it is not only ARM
specific.

> [1] https://lkml.org/lkml/2015/1/20/162

Sorry, have missed this post.
--
Michal Hocko
SUSE Labs
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