Re: [makedumpfile PATCH v2] Wipe excluded pages that are written into ELF dump file

[Eric DeVolder <eric.devolder@xxxxxxxxxx>]

On 01/28/2018 10:51 PM, Atsushi Kumagai wrote:
> Hello Eric,
>
> > On 08/07/2017 07:25 PM, Atsushi Kumagai wrote:
> > > Hello Eric,
> > >
> > > Thanks for your work, this version looks good to me.
> > > I'll merge this into v1.6.3.
> > >
> > > Regards,
> > > Atsushi Kumagai
> >
> > Thank you!
> > eric
>
> I noticed that wiping zero pages seems to cause different behavior
> of crash like:
>
> [kmem -i]
> -    SWAP USED        1         4 KB    0% of TOTAL SWAP
> -    SWAP FREE   489979       1.9 GB   99% of TOTAL SWAP
> +    SWAP USED   229886       898 MB   46% of TOTAL SWAP  // wiped page is counted as SWAP USED ?
> +    SWAP FREE   260094      1016 MB   53% of TOTAL SWAP
>
> I don't investigate the details yet, but I decided to slip this
> feature to v1.6.4.
>
> Thanks,
> Atsushi Kumagai

OK, I'll also look into it. Thanks for letting me know!
eric

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