linux-kernel - Re: [PATCH] cgroup: fix idr

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Message-ID: <20150803144818.GD32599@mtj.duckdns.org>
Date:	Mon, 3 Aug 2015 10:48:18 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Vladimir Davydov <vdavydov@...allels.com>
Cc:	Li Zefan <lizefan@...wei.com>,
	Johannes Weiner <hannes@...xchg.org>, cgroups@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cgroup: fix idr_preload usage

On Mon, Aug 03, 2015 at 03:32:26PM +0300, Vladimir Davydov wrote:
> It does not make much sense to call idr_preload with the same gfp mask
> as the following idr_alloc, but this is what we do in cgroup_idr_alloc.
> This patch fixes the idr_preload usage by making cgroup_idr_alloc call
> idr_alloc w/o __GFP_WAIT. Since it is now safe to call cgroup_idr_alloc
> with GFP_KERNEL, the patch also fixes all its callers appropriately.

Applied to cgroup/for-4.3.

Thanks.

-- 
tejun
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