Messages in this thread | | | Date | Tue, 14 Jan 2014 17:16:44 -0800 | From | Andrew Morton <> | Subject | Re: [RFC] hotplug, memory: move register_memory_resource out of the lock_memory_hotplug |
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On Tue, 14 Jan 2014 17:05:42 -0800 (PST) David Rientjes <rientjes@google.com> wrote:
> On Tue, 14 Jan 2014, Andrew Morton wrote: > > > From: Andrew Morton <akpm@linux-foundation.org> > > Subject: mm/memory_hotplug.c: register_memory_resource() fixes > > > > - register_memory_resource() should not go BUG on ENOMEM. That's > > appropriate at system boot time, but not at memory-hotplug time. Fix. > > > > - register_memory_resource()'s caller is incorrectly replacing > > request_resource()'s -EBUSY with -EEXIST. Fix this by propagating > > errors appropriately. > > > > Unfortunately, -EEXIST is a special case return value for both > acpi_memory_enable_device() and hv_mem_hot_add(), so they would need to be > modified to agree concurrently with this change.
blah, OK, thanks, I'll drop it.
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