Re: [PATCH] coredump_filter: add hugepage core dumping

[KOSAKI Motohiro]

> It was certainly not meant to be excluded from any documentation.
>
> To make the description clear, MMF_DUMP_ELF_HEADERS applies when a
> file-backed private mapping would otherwise be elided (based on the other
> bits and whether it's been modified).  If the vma maps offset 0 of the
> file, and that page is readable and starts with ELFMAG, then just that
> first page will be dumped.  (So p_filesz will be PAGE_SIZE rather than 0
> for an elided mapping, or p_memsz for a mapping dumped whole.)

Could you please make the patch.
Then, I'll ack it with presure.

Thanks.
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