Messages in this thread | | | Date | Tue, 14 Jan 2014 17:05:42 -0800 (PST) | From | David Rientjes <> | Subject | Re: [RFC] hotplug, memory: move register_memory_resource out of the lock_memory_hotplug |
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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.
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