From: David Hildenbrand <david@redhat.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
linux-hyperv@vger.kernel.org, xen-devel@lists.xenproject.org,
linux-acpi@vger.kernel.org, linux-nvdimm@lists.01.org,
linux-s390@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Wei Liu <wei.liu@kernel.org>, Michal Hocko <mhocko@suse.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
Baoquan He <bhe@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>,
"K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
Boris Ostrovsky <boris.ostrovsky@o racle.com>,
Juergen Gross <jgross@suse.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Pingfan Liu <kernelfans@gmail.com>,
Nathan Lynch <nathanl@linux.ibm.com>,
Libor Pechacek <lpechacek@suse.cz>,
Anton Blanchard <anton@ozlabs.org>,
Leonardo Bras <leobras.c@gmail.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2 3/7] mm/memory_hotplug: prepare passing flags to add_memory() and friends
Date: Wed, 9 Sep 2020 09:28:55 +0200 [thread overview]
Message-ID: <3bc5b464-3229-d442-714a-ec33b5728ac6@redhat.com> (raw)
In-Reply-To: <20200909071759.GD435421@kroah.com>
On 09.09.20 09:17, Greg Kroah-Hartman wrote:
> On Tue, Sep 08, 2020 at 10:10:08PM +0200, David Hildenbrand wrote:
>> We soon want to pass flags, e.g., to mark added System RAM resources.
>> mergeable. Prepare for that.
>
> What are these random "flags", and how do we know what should be passed
> to them?
>
> Why not make this an enumerated type so that we know it all works
> properly, like the GPF_* flags are? Passing around a random unsigned
> long feels very odd/broken...
Agreed, an enum (mhp_flags) seems to give a better hint what can
actually be passed. Thanks!
--
Thanks,
David / dhildenb
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next prev parent reply other threads:[~2020-09-09 7:29 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-08 20:10 [PATCH v2 0/7] mm/memory_hotplug: selective merging of system ram resources David Hildenbrand
2020-09-08 20:10 ` [PATCH v2 1/7] kernel/resource: make release_mem_region_adjustable() never fail David Hildenbrand
2020-09-15 2:07 ` Wei Yang
2020-09-15 2:10 ` Wei Yang
2020-09-15 7:35 ` David Hildenbrand
2020-09-15 9:06 ` Wei Yang
2020-09-15 9:15 ` David Hildenbrand
2020-09-15 9:33 ` Wei Yang
2020-09-08 20:10 ` [PATCH v2 2/7] kernel/resource: move and rename IORESOURCE_MEM_DRIVER_MANAGED David Hildenbrand
2020-09-09 7:16 ` Greg Kroah-Hartman
2020-09-09 7:27 ` David Hildenbrand
2020-09-15 2:20 ` Wei Yang
2020-09-15 7:37 ` David Hildenbrand
2020-09-08 20:10 ` [PATCH v2 3/7] mm/memory_hotplug: prepare passing flags to add_memory() and friends David Hildenbrand
2020-09-09 5:18 ` Jürgen Groß
2020-09-09 7:17 ` Greg Kroah-Hartman
2020-09-09 7:28 ` David Hildenbrand [this message]
2020-09-09 11:24 ` Michael Ellerman
2020-09-09 11:37 ` David Hildenbrand
2020-09-09 11:51 ` David Hildenbrand
2020-09-08 20:10 ` [PATCH v2 4/7] mm/memory_hotplug: MEMHP_MERGE_RESOURCE to specify merging of System RAM resources David Hildenbrand
2020-09-08 20:10 ` [PATCH v2 5/7] virtio-mem: try to merge system ram resources David Hildenbrand
2020-09-08 20:10 ` [PATCH v2 6/7] xen/balloon: " David Hildenbrand
2020-09-09 5:18 ` Jürgen Groß
2020-09-08 20:10 ` [PATCH v2 7/7] hv_balloon: " David Hildenbrand
2020-09-09 9:43 ` Wei Liu
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