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Date:   Thu, 7 May 2020 07:34:45 -0400
From:   "Michael S. Tsirkin" <mst@redhat.com>
To:     David Hildenbrand <david@redhat.com>
Cc:     linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        virtio-dev@lists.oasis-open.org,
        virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
        Michal Hocko <mhocko@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Michal Hocko <mhocko@suse.com>,
        Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
        Oscar Salvador <osalvador@suse.com>,
        Pavel Tatashin <pasha.tatashin@soleen.com>,
        Wei Yang <richard.weiyang@gmail.com>,
        Dan Williams <dan.j.williams@intel.com>, Qian Cai <cai@lca.pw>
Subject: Re: [PATCH v3 07/15] mm/memory_hotplug: Introduce
 offline_and_remove_memory()
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On Thu, May 07, 2020 at 01:33:23PM +0200, David Hildenbrand wrote:
> >> I get:
> >>
> >> error: sha1 information is lacking or useless (mm/memory_hotplug.c).
> >> error: could not build fake ancestor
> >>
> >> which version is this against? Pls post patches on top of some tag
> >> in Linus' tree if possible.
> > 
> > As the cover states, latest linux-next. To be precise
> > 
> > commit 6b43f715b6379433e8eb30aa9bcc99bd6a585f77 (tag: next-20200507,
> > next/master)
> > Author: Stephen Rothwell <sfr@canb.auug.org.au>
> > Date:   Thu May 7 18:11:31 2020 +1000
> > 
> >     Add linux-next specific files for 20200507
> > 
> 
> The patches seem to apply cleanly on top of
> 
> commit a811c1fa0a02c062555b54651065899437bacdbe (linus/master)
> Merge: b9388959ba50 16f8036086a9
> Author: Linus Torvalds <torvalds@linux-foundation.org>
> Date:   Wed May 6 20:53:22 2020 -0700
> 
>     Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Because you have the relevant hashes in your git tree not pruned yet.
Do a new clone and they won't apply.

> 
> I can resend based on that, after giving it a short test.
> 
> -- 
> Thanks,
> 
> David / dhildenb