On 6/28/22 16:51, Kirill A. Shutemov wrote: > On Fri, Jun 24, 2022 at 05:00:05AM +0300, Kirill A. Shutemov wrote: >>> If there is some deep and fundamental why this can not be supported >>> then it probably makes sense to put some code in the arch_kexec_load >>> hook that verifies that deep and fundamental reason is present. ... > + /* > + * TODO: Information on memory acceptance status has to be communicated > + * between kernel. > + */ So, the deep and fundamental reason is... drum roll... you haven't gotten around to implementing bitmap passing yet?!?!? I have the feeling that wasn't what Eric was looking for.