linux-kernel - Re: [PATCH 0/5] kmod: Cleanups, simplifications, and make isolation friendly v3

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Message-ID: <20150805221405.GB9411@lerouge>
Date:	Thu, 6 Aug 2015 00:14:06 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Tejun Heo <tj@...nel.org>,
	Christoph Lameter <cl@...ux.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 0/5] kmod: Cleanups, simplifications, and make isolation
 friendly v3

On Wed, Aug 05, 2015 at 07:10:57PM +0200, Oleg Nesterov wrote:
> On 07/27, Frederic Weisbecker wrote:
> >
> > Hence those two debatable changes:
> >
> > _ We would like to use generic workqueues. System unbound workqueues are
> >   a very good candidate but they are not wide affine, only node affine.
> >   Now probably a node is enough to perform many parallel kmod jobs.
> >
> > _ We would like to remove the wait_for_helper kernel thread (UMH_WAIT_PROC
> >   handler) to use the workqueue. It means that if the workqueue blocks,
> >   and no other worker can take pending kmod request, we can be screwed.
> >   Now if we have 512 threads, this should be enough.
> 
> I think this series is fine. Feel free to add my reviewed-by.

Great!

Andrew, if you're ok with it, can you please apply this set?

Thanks a lot!
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