Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1273401 > unrolled thread

Re: [PATCH v2 2/6] Revert "gfp: add __GFP_NOACCOUNT"

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  Re: [PATCH v2 2/6] Revert "gfp: add __GFP_NOACCOUNT" Johannes Weiner <hannes@cmpxchg.org> - 2015-11-19 20:00 +0100

#1273401 — Re: [PATCH v2 2/6] Revert "gfp: add __GFP_NOACCOUNT"

On Tue, Nov 10, 2015 at 09:34:03PM +0300, Vladimir Davydov wrote:
> This reverts commit 8f4fc071b1926d0b20336e2b3f8ab85c94c734c5.
> 
> 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@virtuozzo.com>

Acked-by: Johannes Weiner <hannes@cmpxchg.org>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[toc] | [standalone]

Back to top | Article view | linux.kernel

csiph-web