Re: [PATCH] slub: reduce overhead of slub_debug

From: Dave Jones
Date: Tue Jun 28 2011 - 17:17:12 EST


On Tue, Jun 28, 2011 at 01:58:06PM -0700, David Rientjes wrote:

> SLUB debugging is useful only to diagnose issues or test new code, nobody
> is going to be enabling it in production environment. We don't need 30
> new lines of code that make one thing slightly faster

During five of the six months of development, Fedora kernels are built with
slub debugging forced on. And it turns up problems every single release.

Having the impact of this be lower is very desirable. If this doesn't get
merged, I'd be tempted to carry it in Fedora regardless for this reason.

Dave

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/