linux-kernel - Re: [PATCH -next] slub: Replace __this_cpu_inc usage w/ SLUB

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Message-ID: <alpine.DEB.2.10.1404140858100.17469@nuc>
Date:	Mon, 14 Apr 2014 08:59:39 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Johannes Hirte <johannes.hirte@...enkhaos.de>
cc:	Josh Cartwright <joshc@...eaurora.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Pekka Enberg <penberg@...nel.org>,
	Matt Mackall <mpm@...enic.com>, linux-mm@...ck.org
Subject: Re: [PATCH -next] slub: Replace __this_cpu_inc usage w/ SLUB_STATS

On Mon, 14 Apr 2014, Johannes Hirte wrote:

> kernel/watchdog.c:
>
> void touch_softlockup_watchdog(void)
> {
>         __this_cpu_write(watchdog_touch_ts, 0);
> }
> EXPORT_SYMBOL(touch_softlockup_watchdog);
>
> Don't know if the change to this_cpu_write() is the right way here too.

Well yes lets change that to this_cpu_write(). I doubt there are
significant performance issues here.

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