<div dir="ltr">Thanks Greg for advice I will try to follow it and will convey the results.<div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><b>-- <br></b><div class="gmail_signature"><b>Regards,<br>Mayur S Patil,<br>A research oriented program learner,<br>Pune, India.</b></div><div class="gmail_quote"><br></div><div class="gmail_quote">On Sun, Jun 7, 2015 at 10:17 PM, Greg KH <span dir="ltr"><<a href="mailto:greg@kroah.com" target="_blank">greg@kroah.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><span class="">On Sun, Jun 07, 2015 at 09:45:07PM +0530, Mayur Patil wrote:<br>
> Hi All,<br>
><br>
> I am struggling to build small size with minimum time for kernel <br>
> compilation with vanilla kernels of <a href="http://kernel.org" target="_blank">kernel.org</a>. <br>
> As mentioned in the makehelp, I have used defconfig but unable to get <br>
> desirable results. I have followed linuxscratch with which make <br>
> defconfig is taking about 20 to 30 minutes of time only for <br>
> compilation and result of that compilation the kernel is also unable to <br>
> boot. Please guide which configurations should I use to get my <br>
> kernel build fast and of minimum size.<br>
> This is my .config file: <a href="http://fpaste.org/229718/" target="_blank">http://fpaste.org/229718/</a><br>
<br>
</span>Start with a working .config file from a distribution that you know<br>
works. Boot that kernel, plug in all of the devices you want to<br>
support, and then run 'make localmodconfig' and take that config and use<br>
it. It should build _much_ faster.<br>
<br>
good luck,<br>
<br>
greg k-h</blockquote></div>
</div></div>