Re: [Crash-utility] handling missing kdump pages in diskdump format

> ===================================== > Can ELF Dumpfiles Solve This Problem? > ===================================== > > To achieve correctness with ELF dumpfiles, one could perhaps remap the > four types of pages to the three types of ELF representations so that > "A) Not In The Address Space" and "B) Excluded Type" were both mapped > to "1) Not In The Address Space". Then "C) Zero Content" would map > to "2) Not In The File, Zero Fill". You would lose the ability to > know if a page were missing because it was never in the address space > in the first place, or because it was excluded because of its type. > But if you read a zero, you'd know it really was a zero. > I think this is the way to go. Why would I like to know if a page was never present or mkdumpfile filtered it out? I think we can live with that and lets just not create any sort of mapping for excluded pages in finally generated ELF headers.