Re: [PATCH v2 6/8] mm: prevent get_user_pages() from overflowing page refcount

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On Mon, Nov 11, 2019 at 05:00:29AM +0000, Ajay Kaher wrote:
> 
> On 06/11/19, 2:25 PM, "Vlastimil Babka" <vbabka@xxxxxxx> wrote:
> 
> > On 10/25/19 8:18 AM, Ajay Kaher wrote:
> >> On 17/10/19, 9:58 PM, "Ajay Kaher" <akaher@xxxxxxxxxx> wrote:
> >>     
> >>>    
> >>> Could we handle arch-specific gup.c in different patch sets and 
> >>> let these patches to merge to 4.4.y?
> >>   
> >> Vlastimil, please suggest if it's fine to merge these patches to 4.4.y
> >
> > I'm not sure if it makes much sense to merge them without the arch-specific gup
> > support, when we're aware that it's missing.
> >
> >> and handle arch-specific gup.c in different patch sets starts from 4.19.y,
> >
> > Actually arch-specific gup.c were removed in 4.13, so it's enough to start from
> > 4.9.y, which I'm going to finally look into.
> 
> Yes x86 gup.c is removed. s390 gup.c is present till 4.19,
> so if you are making changes in this file for 4.4.y and 4.9.y, 
> then same should be done for 4.14.y and v4.19.y.

Ok, I have no idea what to do here.  I have two different series from
both of you, yet they are different.

Can you both come up with a series you agree on, and send it to me, with
both of your acks so that I know this is what should be applied?  I've
deleted both of your current series from my todo mbox.

thanks,

greg k-h



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