From: Christoph Lameter <cl@linux.com>
To: Michal Hocko <mhocko@suse.cz>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Jesper Dangaard Brouer <brouer@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: mmotm: mm-slub-optimize-alloc-free-fastpath-by-removing-preemption-on-off.patch is causing preemptible splats
Date: Thu, 22 Jan 2015 10:14:48 -0600 (CST) [thread overview]
Message-ID: <alpine.DEB.2.11.1501221014110.3937@gentwo.org> (raw)
In-Reply-To: <20150121132308.GB23700@dhcp22.suse.cz>
> I am not sure how to fix this but it sounds like this_cpu_ptr should
> offer the same preempt expectations as other this_cpu_* functions.
One returns a pointer that may not be useful if the context is switched
and the other completes a operationo on an opject.
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prev parent reply other threads:[~2015-01-22 16:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-21 13:23 Michal Hocko
2015-01-21 14:06 ` Krzysztof Kozłowski
2015-01-21 14:11 ` Michal Hocko
2015-01-21 22:21 ` Andrew Morton
2015-01-22 1:51 ` Joonsoo Kim
2015-01-22 3:34 ` Andrew Morton
2015-01-22 5:14 ` Stephen Rothwell
2015-01-22 5:48 ` Andrew Morton
2015-01-22 16:14 ` Christoph Lameter [this message]
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