Messages in this thread | | | Date | Fri, 10 Aug 2012 10:26:04 -0500 | From | Serge Hallyn <> | Subject | Re: [PATCHv4 2/3] fs: Make core dump functionality optional |
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Quoting Josh Triplett (josh@joshtriplett.org): > On Fri, Aug 10, 2012 at 08:23:23AM -0500, Serge Hallyn wrote: > > Quoting Alex Kelly (alex.page.kelly@gmail.com): > > > Adds an expert Kconfig option, CONFIG_COREDUMP, which allows disabling of core dump. > > > This saves approximately 2.6k in the compiled kernel, and complements CONFIG_ELF_CORE, > > > which now depends on it. > > > > Is there another reason than the 2.6k to do this? My kernels range > > between 4.8 and 5M, so that's .05% size savings? > > A kitchen-sink kernel might take up that much space, but you can build a > minimal embedded kernel that only takes up ~200k, at which point 2.6k > represents a >1% decrease. Add a few more changes like this, and those > decreases start to add up. At this point, no one thing you can chop out > of the kernel will give you a 100k decrease by itself; you need a pile > of changes like this one to do that. > > - Josh Triplett
I see. That's an order of magnitude smaller than what i figured you'd get with a reasonable kernel :)
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