linux-kernel - Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]

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Message-Id: <200712091517.43669.rjw@sisk.pl>
Date:	Sun, 9 Dec 2007 15:17:42 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Matt Mackall <mpm@...enic.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Christoph Lameter <clameter@....com>
Subject: Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]

On Sunday, 9 of December 2007, Ingo Molnar wrote:
> 
> * Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> > It's a kmap_atomic() debugging patch which I wrote ages ago and whcih 
> > Ingo sucked into his tree.  I don't _think_ this warning is present in 
> > your tree at all.
> > 
> > http://lkml.org/lkml/2007/11/29/157 is where it starts.
> > 
> > I had a lenghty back-and-forth with Christoph on this within the past 
> > couple of months and I cannot locate the thread and I don't recall 
> > what the upshot was and Christoph is still offline.
> > 
> > Knocking out __GFP_ZERO at the point where the slab allocator(s) call 
> > the page allocator seems like a good approach to me.
> > 
> > But I don't think we need to do anything for 2.6.24..
> 
> ok - Rafael, please strike this off the regressions list, there is no 
> problem in .24 other than the double memset for some SLOB metadata.

OK, dropped.

Thanks,
Rafael
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