linux-kernel - Re: Major regression on hackbench with SLUB (more numbers)

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Message-ID: <20071221225626.GA27607@elte.hu>
Date:	Fri, 21 Dec 2007 23:56:26 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Christoph Lameter <clameter@....com>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Christoph Hellwig <hch@...radead.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Major regression on hackbench with SLUB (more numbers)


* Christoph Lameter <clameter@....com> wrote:

>  	if (unlikely(!prior))
> -		add_partial(get_node(s, page_to_nid(page)), page);
> +		add_partial_tail(get_node(s, page_to_nid(page)), page);

FYI, this gives me:

 mm/slub.c: In function 'kfree':
 mm/slub.c:2604: warning: passing argument 3 of 'slab_free' discards qualifiers from pointer target type

looks harmless though at first sight.

	Ingo
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