Re: [PATCH v2 7/7] proc/kcore: add vmcoreinfo note to /proc/kcore

From: Omar Sandoval
Date: Tue Jul 17 2018 - 23:27:47 EST


On Tue, Jul 17, 2018 at 07:44:21PM -0700, Andrew Morton wrote:
> On Thu, 12 Jul 2018 17:09:39 -0700 Omar Sandoval <osandov@xxxxxxxxxxx> wrote:
>
> > From: Omar Sandoval <osandov@xxxxxx>
> >
> > The vmcoreinfo information is useful for runtime debugging tools, not
> > just for crash dumps. A lot of this information can be determined by
> > other means, but this is much more convenient.
> >
>
> What effect does this have upon the overall size of the dump file?

About 2 kB on my machine, and no more than one page + the few bytes of
extra headers.