Messages in this thread | | | Date | Tue, 06 Jul 2010 10:20:31 -0500 | From | Nathan Fontenot <> | Subject | Re: [PATCH] memory hotplug disable boot option |
| |
On 07/01/2010 08:23 AM, Dave Hansen wrote: > > I was thinking more along the lines of just taking adjacent sections and > merging them. We'll need a new "end address" or size file. Maybe > "end_phys_index" or something similar. > > Such a beast would not fix all of the pathological cases, like where > only every other 16MB section is populated with RAM, but I don't think > those are very common at all, especially in cases where there's a lot of > RAM. But, it also has a chance of being relatively backward-compatible. > In most cases, we may even be able to calculate a new phys_block_size > where everything fits evenly and be fully backward-compatible with the > old ABI. >
Under this scenario were you thinking that all of the memory sections that reside under this memory block would then be acted upon as a whole. For example would we allow users to hotplug individual memory sections included in th block, or would the memory block be acted upon as a whole?
-Nathan
| |