From: Greg KH <greg@kroah.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: David Miller <davem@davemloft.net>,
Vineet.Gupta1@synopsys.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, mgorman@suse.de, hughd@google.com,
riel@redhat.com, rientjes@google.com, peterz@infradead.org,
linux-arch@vger.kernel.org, catalin.marinas@arm.com,
jcmvbkbc@gmail.com, stable@vger.kernel.org
Subject: Re: [PATCH] mm: Fix the TLB range flushed when __tlb_remove_page() runs out of slots
Date: Mon, 29 Jul 2013 17:16:11 -0700 [thread overview]
Message-ID: <20130730001611.GA15007@kroah.com> (raw)
In-Reply-To: <20130729164658.0dfa1ff602bc131fe2ec0b1b@linux-foundation.org>
On Mon, Jul 29, 2013 at 04:46:58PM -0700, Andrew Morton wrote:
> On Mon, 29 Jul 2013 16:41:06 -0700 (PDT) David Miller <davem@davemloft.net> wrote:
>
> > From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
> > Date: Wed, 29 May 2013 18:26:13 +0530
> >
> > > zap_pte_range loops from @addr to @end. In the middle, if it runs out of
> > > batching slots, TLB entries needs to be flushed for @start to @interim,
> > > NOT @interim to @end.
> > >
> > > Since ARC port doesn't use page free batching I can't test it myself but
> > > this seems like the right thing to do.
> > > Observed this when working on a fix for the issue at thread:
> > > http://www.spinics.net/lists/linux-arch/msg21736.html
> > >
> > > Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
> >
> > As this bug can cause pretty serious memory corruption, I'd like to
> > see this submitted to -stable.
>
> Greg, e6c495a96ce02574e765d5140039a64c8d4e8c9e from mainline, please.
Now applied to 3.10-stable, thanks.
greg k-h
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prev parent reply other threads:[~2013-07-30 0:16 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-29 12:56 Vineet Gupta
2013-05-29 14:03 ` Catalin Marinas
2013-05-29 14:08 ` Vineet Gupta
2013-05-29 14:29 ` Catalin Marinas
2013-05-29 14:36 ` Vineet Gupta
2013-05-29 14:51 ` Catalin Marinas
2013-05-30 5:02 ` Vineet Gupta
2013-07-29 23:41 ` David Miller
2013-07-29 23:46 ` Andrew Morton
2013-07-30 0:16 ` Greg KH [this message]
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