Guidance about minimal configurations for kernel compilation

Mayur Patil linuxcraz23 at
Sun Jun 7 13:04:01 EDT 2015

Thanks Greg for advice I will try to follow it and will convey the results.

*-- *

*Regards,Mayur S Patil,A research oriented program learner,Pune, India.*

On Sun, Jun 7, 2015 at 10:17 PM, Greg KH <greg at> wrote:

> On Sun, Jun 07, 2015 at 09:45:07PM +0530, Mayur Patil wrote:
> > Hi All,
> >
> >     I am struggling to build small size with minimum time for kernel
> > compilation with vanilla kernels of
> > As mentioned in the makehelp, I have used defconfig but unable to get
> > desirable results. I have followed linuxscratch with which make
> > defconfig is taking about 20 to 30 minutes of time only for
> > compilation and result of that compilation the kernel  is also unable to
> > boot.  Please guide which configurations should I use to get my
> > kernel build fast and of minimum size.
> > This is my .config file:
> Start with a working .config file from a distribution that you know
> works.  Boot that kernel, plug in all of the devices you want to
> support, and then run 'make localmodconfig' and take that config and use
> it.  It should build _much_ faster.
> good luck,
> greg k-h
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