On Mon, 20 Mar 2017 13:50:31 +0800 Xunlei Pang <xlpang at redhat.com> wrote: > As Eric said, > "what we need to do is move the variable vmcoreinfo_note out > of the kernel's .bss section. And modify the code to regenerate > and keep this information in something like the control page. > > Definitely something like this needs a page all to itself, and ideally > far away from any other kernel data structures. I clearly was not > watching closely the data someone decided to keep this silly thing > in the kernel's .bss section." > > This patch allocates extra pages for these vmcoreinfo_XXX variables, > one advantage is that it enhances some safety of vmcoreinfo, because > vmcoreinfo now is kept far away from other kernel data structures. Yes, I like this patch set very much now. Thank you! Petr T