| From | (Eric W. Biederman) | Date | Tue, 19 Mar 2013 15:20:34 -0700 | Subject | Re: [PATCH v3 17/21] vmcore: check NT_VMCORE_PAD as a mark indicating the end of ELF note buffer |
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HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com> writes:
> Modern kernel marks the end of ELF note buffer with NT_VMCORE_PAD type > note in order to make the buffer satisfy mmap()'s page-size boundary > requirement. This patch makes finishing reading each buffer if the > note type now being read is NT_VMCORE_PAD type.
There is absolutely no need for this ABI change. If you need a wasteful pad note taking up space (which I see no evicence for) you can still terminate this with an empty note.
Eric
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