[PATCH v3 15/19] maple_tree: Document erase and allocations better

[Liam R. Howlett (Oracle)]

On 26/08/21 03:34PM, Rik van Riel wrote:
> On Fri, 2026-08-21 at 15:26 -0400, Liam R. Howlett (Oracle) wrote:
> > 
> >  knowing one value within that range, or mtree_store() call with an
> > entry of
> > -NULL may be used to partially erase a range or many ranges at once.
> > +NULL may be used to partially erase a range or many ranges at once. 
> > Note that
> > +mtree_erase() may use GFP_KERNEL | __GFP_NOFAIL for allocations and
> > cannot
> > +fail, but may need to sleep - do not use mtree_erase() from a
> > blocking context.
> > 
> 
> Do you mean "from a context that cannot block" ?

Ah, that's not clear.

"Do not use mtree_erase() from a context that cannot tolerate blocking"

Is that better?

Thanks,
Liam