linux-kernel - Re: [PATCH 3/3] powerpc/mm: Add page soft dirty tracking

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Message-ID: <1445088290.24309.60.camel@kernel.crashing.org>
Date:	Sat, 17 Oct 2015 18:54:50 +0530
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Laurent Dufour <ldufour@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	akpm@...ux-foundation.org, xemul@...allels.com,
	linuxppc-dev@...ts.ozlabs.org, mpe@...erman.id.au, paulus@...ba.org
Cc:	criu@...nvz.org
Subject: Re: [PATCH 3/3] powerpc/mm: Add page soft dirty tracking

On Sat, 2015-10-17 at 17:49 +0530, Aneesh Kumar K.V wrote:
> This will break after
> https://lists.ozlabs.org/pipermail/linuxppc-dev/2015-October/135298.html
> 
> 
> A good option is to drop this patch from the series and let Andrew take
> the first two patches. You can send an updated version of patch 3 against
> linux-powerpc tree once Michael pulls that series to his tree. 

Or not ... I'm not comfortable with your series just yet for the reasons
I mentioned earlier (basically doubling the memory footprint of the page
tables).

They are already too big.

Cheers,
Ben.

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