On 11/26/13 at 05:50pm, HATAYAMA Daisuke wrote:
> (2013/11/26 16:57), Baoquan He wrote:
> >On 11/26/13 at 02:50pm, HATAYAMA Daisuke wrote:
> >>(2013/11/26 11:52), Baoquan He wrote:
> >>>On 11/25/13 at 01:33pm, HATAYAMA Daisuke wrote:
> >>>>(2013/11/25 11:31), Baoquan He wrote:
> >
> >>
> >>
> >>BTW, I could successfully clean up the code in this way in kdump-compressed
> >>code,
> >>but I couldn't do that in the code from ELF to ELF... So I have yet to post
> >>such clean up patch.
> >
> >This is cool, cleanup like this would make code clearer. Let's wait your
> >clean up patch, I can help review and test.
> >
>
> For that, you need to pass a part with the currnet cycle to
> __exclude_unnecessary_pages(),
> not a whole (mmd->pfn_start, mmd->pfn_end). There might be similar part that
> needs fix,
> but sorry I don't have good memory...
>
> int
> exclude_unnecessary_pages_cyclic(void)
> {
> <cut>
> if (mmd->pfn_end >= info->cyclic_start_pfn &&
> mmd->pfn_start <= info->cyclic_end_pfn) {
> if (!__exclude_unnecessary_pages(mmd->mem_map,
>
> mmd->pfn_start, mmd->pfn_end))
> return FALSE;
> }
>
> For ELF-to-ELF code, unfortunately, I gave up in the middle of source code
> reading.
> At lesst, if I remember correctly, I think the code relied on the current
> update_mmap_range() implementation. It might be hard to clean up there in a
> natural way.
Yeah, understood. How about I post a patch based on my v1,
then you can do the cleanup work of elf part deliberately.
>
> --
> Thanks.
> HATAYAMA, Daisuke
>
>
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