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SubjectRe: [PATCH v2 0/6] lib/group_cpus: rework grp_spread_init_one() and make it O(1)
On Thu, Dec 07, 2023 at 01:46:19PM -0800, Andrew Morton wrote:
> On Thu, 7 Dec 2023 12:38:54 -0800 Yury Norov <yury.norov@gmail.com> wrote:
>
> > grp_spread_init_one() implementation is sub-optimal because it
> > traverses bitmaps from the beginning, instead of picking from the
> > previous iteration.
> >
> > Fix it and use find_bit API where appropriate. While here, optimize
> > cpumasks allocation and drop unneeded cpumask_empty() call.
>
> Thanks. This isn't my playground, but I'll grab the patches to at
> least get them some testing. Review from those who have worked
> on this code would be appreciated.

Thanks you!

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