Re: [PATCH] mm/slub: use unchecked percpu access within preemptible sections

From: Joonsoo Kim
Date: Wed Jan 21 2015 - 20:58:20 EST


On Tue, Jan 20, 2015 at 11:31:43PM -0500, Sasha Levin wrote:
> Commit "mm/slub: optimize alloc/free fastpath by removing preemption on/off"
> has added access to percpu memory while the code is preemptible.
>
> While those accesses are okay, this creates a huge amount of warnings from
> the code that checks for that.
>
> Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>

Hello,

I already sent the patch to fix this issue and it is in mmotm, but,
not be released yet.

https://lkml.org/lkml/2015/1/19/17

Thanks.

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