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Groups > linux.kernel > #1273401
| From | Johannes Weiner <hannes@cmpxchg.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 2/6] Revert "gfp: add __GFP_NOACCOUNT" |
| Date | 2015-11-19 20:00 +0100 |
| Message-ID | <qwCB5-4K6-35@gated-at.bofh.it> (permalink) |
| References | <qtlZL-d8-3@gated-at.bofh.it> <qtlZM-d8-45@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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/
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Re: [PATCH v2 2/6] Revert "gfp: add __GFP_NOACCOUNT" Johannes Weiner <hannes@cmpxchg.org> - 2015-11-19 20:00 +0100
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