building a new kernel for ubuntu 10.04
Lennart Sorensen
lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Wed May 12 20:50:56 UTC 2010
On Wed, May 12, 2010 at 04:27:32PM -0400, Jamon Camisso wrote:
> For make add -j to parallelize processes and speed up the compile, e.g.
> make -j $(($(grep processor /proc/cpuinfo -c) + 1))
> make -j $(awk -F "-" '{printf $2+2}' /sys/devices/system/cpu/possible)
>
> Bash folk, syntax sanity check?
>
> No point in wasting all but one of those cores in that fancy quad or
> octal core box sitting under your desk ;)
The kernel prefers using the environment MAKEFLAGS=-j# instead.
Safer apparently. Also works with things like make-kpkg of course.
--
Len Sorensen
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