Re: [PATCH v2 1/6] Revert "kernfs: do not account ino_ida allocations to memcg"

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On Tue, Nov 10, 2015 at 09:34:02PM +0300, Vladimir Davydov wrote:
> This reverts commit 499611ed451508a42d1d7d1faff10177827755d5.
> 
> Black-list kmem accounting policy (aka __GFP_NOACCOUNT) turned out to be
> fragile and difficult to maintain, because there seem to be many more
> allocations that should not be accounted than those that should be.
> Besides, false accounting an allocation might result in much worse
> consequences than not accounting at all, namely increased memory
> consumption due to pinned dead kmem caches.
> 
> So it was decided to switch to the white-list policy. This patch reverts
> bits introducing the black-list policy. The white-list policy will be
> introduced later in the series.
> 
> Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
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