Re: [PATCH v2] kbuild: shrink .cache.mk when it exceeds 1000 lines

[Doug Anderson]

Hi,

On Fri, Oct 13, 2017 at 4:25 AM, Masahiro Yamada
<yamada.masahiro@xxxxxxxxxxxxx> wrote:
> The cache files are only cleaned away by "make clean".  If you continue
> incremental builds, the cache files will grow up little by little.
> It is not a big deal in general use cases because compiler flags do not
> change quite often.
>
> However, if you do build-test for various architectures, compilers, and
> kernel configurations, you will end up with huge cache files soon.
>
> When the cache file exceeds 1000 lines, shrink it down to 500 by "tail".
> The Least Recently Added lines are cut. (not Least Recently Used)
> I hope it will work well enough.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> ---
>
> Changes in v2:
>   - Simplify code per Douglas Anderson
>
>  scripts/Kbuild.include | 6 ++++++
>  1 file changed, 6 insertions(+)

Thanks for doing this!

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>