Hi, On 08/10/22 at 03:39pm, Donny Xia wrote: > Hello Kdump Maintainers, > > We utilize the kexec and kdump feature heavily to collect the crash dump > file when the kernel crashes. We write some customized values into > VMCOREINFO and we find that eventually the size of the data we write > exceeds the size of VMCOREINFO. I find that the size of VMCOREINFO is one > page, which I believe is 4k. I am wondering is there any specific reason to > choose this size? Is it possible to use a bigger number? Any suggestions > about it would be appreciated. No specific reason. Just our current usage of vmcoreinfo_data is enough to cover our need. I don't see why you can't enlarge it to, e.g 2 pages or more. Have you tried? E.g allocate more pages and change VMCOREINFO_BYTES to the corresponding value. _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
