From: Wei Liu <wei.liu@kernel.org>
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,
linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org,
linux-nvdimm@lists.01.org, linux-hyperv@vger.kernel.org,
linux-s390@vger.kernel.org, xen-devel@lists.xenproject.org,
Michal Hocko <mhocko@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
"Michael S . Tsirkin" <mst@redhat.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
Wei Liu <wei.liu@kernel.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Jason Wang <jasowang@redhat.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Juergen Gross <jgross@suse.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Pingfan Liu <kernelfans@gmail.com>,
Leonardo Bras <leobras.c@gmail.com>,
Nathan Lynch <nathanl@linux.ibm.com>,
Oscar Salvador <osalvador@suse.de>,
Michal Hocko <mhocko@suse.com>, Baoquan He <bhe@redhat.com>,
Wei Yang <richard.weiyang@gmail.com>,
Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
Eric Biederman <ebiederm@xmission.com>
Subject: Re: [PATCH v1 1/3] mm/memory_hotplug: Prepare passing flags to add_memory() and friends
Date: Wed, 29 Apr 2020 16:41:55 +0000 [thread overview]
Message-ID: <20200429164154.ctflq4ouwrwwe4wq@liuwe-devbox-debian-v2.j3c5onc20sse1dnehy4noqpfcg.zx.internal.cloudapp.net> (raw)
In-Reply-To: <20200429160803.109056-2-david@redhat.com>
On Wed, Apr 29, 2020 at 06:08:01PM +0200, David Hildenbrand wrote:
> We soon want to pass flags - prepare for that.
>
> This patch is based on a similar patch by Oscar Salvador:
>
> https://lkml.kernel.org/r/20190625075227.15193-3-osalvador@suse.de
>
[...]
> ---
> drivers/hv/hv_balloon.c | 2 +-
> diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
> index 32e3bc0aa665..0194bed1a573 100644
> --- a/drivers/hv/hv_balloon.c
> +++ b/drivers/hv/hv_balloon.c
> @@ -726,7 +726,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size,
>
> nid = memory_add_physaddr_to_nid(PFN_PHYS(start_pfn));
> ret = add_memory(nid, PFN_PHYS((start_pfn)),
> - (HA_CHUNK << PAGE_SHIFT));
> + (HA_CHUNK << PAGE_SHIFT), 0);
>
> if (ret) {
> pr_err("hot_add memory failed error is %d\n", ret);
Acked-by: Wei Liu <wei.liu@kernel.org>
next prev parent reply other threads:[~2020-04-29 16:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-29 16:08 [PATCH v1 0/3] mm/memory_hotplug: Make virtio-mem play nicely with kexec-tools David Hildenbrand
2020-04-29 16:08 ` [PATCH v1 1/3] mm/memory_hotplug: Prepare passing flags to add_memory() and friends David Hildenbrand
2020-04-29 16:41 ` Wei Liu [this message]
2020-04-29 16:08 ` [PATCH v1 2/3] mm/memory_hotplug: Introduce MHP_DRIVER_MANAGED David Hildenbrand
2020-04-30 7:19 ` David Hildenbrand
2020-04-30 8:11 ` Dan Williams
2020-04-30 8:20 ` David Hildenbrand
2020-04-30 8:34 ` Dan Williams
2020-04-29 16:08 ` [PATCH v1 3/3] virtio-mem: Add memory with MHP_DRIVER_MANAGED David Hildenbrand
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