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SubjectRe: linux-next: manual merge of the bitmap tree with the random tree
On Tue, Oct 11, 2022 at 5:32 PM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi all,
>
> On Fri, 7 Oct 2022 16:14:11 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > Today's linux-next merge of the bitmap tree got a conflict in:
> >
> > include/linux/nodemask.h
> >
> > between commit:
> >
> > 82f33a32b4d2 ("treewide: use prandom_u32_max() when possible")
> >
> > from the random tree and commit:
> >
> > 97848c10f9f8 ("lib/bitmap: remove bitmap_ord_to_pos")
> >
> > from the bitmap tree.
> >
> > I fixed it up (see below) and can carry the fix as necessary. This
> > is now fixed as far as linux-next is concerned, but any non trivial
> > conflicts should be mentioned to your upstream maintainer when your tree
> > is submitted for merging. You may also want to consider cooperating
> > with the maintainer of the conflicting tree to minimise any particularly
> > complex conflicts.
> >
> >
> > diff --cc include/linux/nodemask.h
> > index 66ee9b4b7925,0c45fb066caa..000000000000
> > --- a/include/linux/nodemask.h
> > +++ b/include/linux/nodemask.h
> > @@@ -508,8 -508,7 +508,7 @@@ static inline int node_random(const nod
> >
> > w = nodes_weight(*maskp);
> > if (w)
> > - bit = bitmap_ord_to_pos(maskp->bits,
> > - prandom_u32_max(w), MAX_NUMNODES);
> > - bit = find_nth_bit(maskp->bits, MAX_NUMNODES, get_random_int() % w);
> > ++ bit = find_nth_bit(maskp->bits, MAX_NUMNODES, prandom_u32_max(w));
> > return bit;
> > #else
> > return 0;
>
> This is now a conflict between the random tree and Linus' tree.

Thanks. I'll sort it out.

Jason

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