linux-kernel - Re: [PATCH] mm: fix up a spurious page fault whenever it happens

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Date:	Wed, 22 May 2013 20:04:32 +0200
From:	Stanislav Meduna <stano@...una.org>
To:	Rik van Riel <riel@...hat.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	"linux-rt-users@...r.kernel.org" <linux-rt-users@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	the arch/x86 maintainers <x86@...nel.org>,
	Hai Huang <hhuang@...hat.com>
Subject: Re: [PATCH] mm: fix up a spurious page fault whenever it happens

On 22.05.2013 19:41, Rik van Riel wrote:

>> I think you should also remove the
>>
>>         if (flags & FAULT_FLAG_WRITE)

Done

>>> Can you test the attached patch?

Nope. Fails with the same symptoms, min_flt skyrockets,
the throttler activates and after 2 seconds all is well
again.

This is on Geode LX, I don't have the Celeron M at the hand now.

Thank
-- 
                                     Stano

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