From: Vladimir Davydov <vdavydov@virtuozzo.com>
To: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: linux-mm@kvack.org, Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux.com>
Subject: Re: [PATCH V3 1/2] slub: fix kmem cgroup bug in kmem_cache_alloc_bulk
Date: Wed, 11 Nov 2015 21:56:48 +0300 [thread overview]
Message-ID: <20151111185648.GY31308@esperanza> (raw)
In-Reply-To: <20151111193059.5a9f5283@redhat.com>
On Wed, Nov 11, 2015 at 07:30:59PM +0100, Jesper Dangaard Brouer wrote:
...
> The problem was related to CONFIG_KMEMCHECK. It was causing the system
> to not boot (I have not look into why yet, don't have full console
> output, but I can see it complains about PCI and ACPI init and then
> dies in x86_perf_event_update+0x15, thus it could be system/HW specific).
AFAIK kmemcheck is rarely used nowadays, because kasan does practically
the same and does it better, so failures are expected.
>
> I'm now running with CONFIG_DEBUG_KMEMLEAK, and is running tests with
kmemleak must be OK. Personally I use it quite often.
> exhausting memory. And it works, e.g. when the alloc fails and @object
> becomes NULL.
Cool.
Thanks,
Vladimir
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next prev parent reply other threads:[~2015-11-11 18:56 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-05 15:37 [PATCH V2 0/2] SLUB bulk API interactions with kmem cgroup Jesper Dangaard Brouer
2015-11-05 15:37 ` [PATCH V2 1/2] slub: fix kmem cgroup bug in kmem_cache_alloc_bulk Jesper Dangaard Brouer
2015-11-05 16:18 ` Vladimir Davydov
2015-11-07 16:40 ` Jesper Dangaard Brouer
2015-11-05 15:38 ` [PATCH V2 2/2] slub: add missing kmem cgroup support to kmem_cache_free_bulk Jesper Dangaard Brouer
2015-11-05 16:25 ` Vladimir Davydov
2015-11-07 16:53 ` Jesper Dangaard Brouer
2015-11-07 20:25 ` Vladimir Davydov
2015-11-07 20:55 ` Christoph Lameter
2015-11-09 16:39 ` Jesper Dangaard Brouer
2015-11-09 18:38 ` Vladimir Davydov
2015-11-05 16:10 ` [PATCH V2 0/2] SLUB bulk API interactions with kmem cgroup Vladimir Davydov
2015-11-09 18:16 ` [PATCH V3 " Jesper Dangaard Brouer
2015-11-09 18:17 ` [PATCH V3 1/2] slub: fix kmem cgroup bug in kmem_cache_alloc_bulk Jesper Dangaard Brouer
2015-11-09 19:13 ` Vladimir Davydov
2015-11-09 20:25 ` Jesper Dangaard Brouer
2015-11-10 8:46 ` Vladimir Davydov
2015-11-10 15:55 ` Jesper Dangaard Brouer
2015-11-10 16:17 ` Christoph Lameter
2015-11-10 18:32 ` Vladimir Davydov
2015-11-11 15:28 ` Jesper Dangaard Brouer
2015-11-11 18:30 ` Jesper Dangaard Brouer
2015-11-11 18:56 ` Vladimir Davydov [this message]
2015-11-12 14:27 ` Jesper Dangaard Brouer
2015-11-09 22:04 ` Christoph Lameter
2015-11-10 8:30 ` Vladimir Davydov
2015-11-10 15:23 ` Christoph Lameter
2015-11-09 18:17 ` [PATCH V3 2/2] slub: add missing kmem cgroup support to kmem_cache_free_bulk Jesper Dangaard Brouer
2015-11-09 18:56 ` Vladimir Davydov
2015-11-13 10:57 ` [PATCH V4 0/2] SLUB bulk API interactions with kmem cgroup Jesper Dangaard Brouer
2015-11-13 10:57 ` [PATCH V4 1/2] slub: fix kmem cgroup bug in kmem_cache_alloc_bulk Jesper Dangaard Brouer
2015-11-14 11:04 ` Vladimir Davydov
2015-11-13 10:57 ` [PATCH V4 2/2] slub: add missing kmem cgroup support to kmem_cache_free_bulk Jesper Dangaard Brouer
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