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Date: Wed, 27 Feb 2008 15:32:52 -0800 (PST) From: Christoph Lameter <clameter@....com> To: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> cc: Pekka Enberg <penberg@...helsinki.fi>, Torsten Kaiser <just.for.lkml@...glemail.com>, Ingo Molnar <mingo@...e.hu>, Linus Torvalds <torvalds@...ux-foundation.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Eric Dumazet <dada1@...mosbay.com> Subject: Re: Linux 2.6.25-rc2 On Tue, 19 Feb 2008, Mathieu Desnoyers wrote: > incrementing the variable with a "++" when interrupts are not disabled. > It's not an atomic add and it's racy. The code within stat() does > exactly this. Yes but that is only for used for statistics which can be racy. Note that the VM event statistics also can be racy. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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