-----Original Message-----
> 
> On Mon, Jul 19, 2021 at 12:29 PM HAGIO KAZUHITO(萩尾 一仁) <[email protected] 
> <mailto:[email protected]>
> > wrote:
> 
> 
>       -----Original Message-----
>       > > > I don't know may be some parts of bitmap weren't flushed either. 
> I'll
>       > > > investigate that further why "valid_pages * descriptor size" is 
> not
>       > > > equal to offset from data_offset to zero page on an incomplete 
> dump.
>       > >
>       > > ugh, sorry, bitmap also can be incomplete in cyclic mode.  In that 
> case,
>       > > page_is_dumpable() cannot be used to estimate the size in the first 
> place,
>       > > maybe all we can do is to get total_valid_pages..
>       > >
>       >
>       > Hi Kazu,
>       >
>       > Thanks for clarifying this. I think two-pass approach might still 
> work with
>       > this.
>       >
>       > I have an incomplete dump where data_offset = 8130000, 
> zero_page_offset = 93d5c90
>       > and total_valid_pages = 476223.
>       >
>       > pd_count = (zero_page_offset - data_offset) / 24 (pd size) = 814726.
>       >
>       > So, we know that 338503 pages are missed in the bitmap and the dump is
>       > 338503 pages smaller than it could be (at most, if every missed page
>       > takes full page).
> 
>       That sounds good.
> 
>       >
>       > Either way, it seems you're fine with the first four patches:
>       > 
> https://listman.redhat.com/archives/crash-utility/2021-June/msg00078.html
>       >
>       > Do we want to merge them? (v3 of the series only updates the last 
> patch)
> 
>       Ok, for the v2 series except for the 5/5 patch,
>       Acked-by: Kazuhito Hagio <[email protected] 
> <mailto:[email protected]> >
> 
>       Thanks,
>       Kazu
> 
> 
> Also looks good to me,  for the v2(first four patches):
> Acked-by:   Lianbo Jiang <[email protected] <mailto:[email protected]> >

Applied.
https://github.com/crash-utility/crash/compare/80334ed...881f33d

Thanks,
Kazu


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