Re: [PATCH v3 00/30] maple_tree: Replace big node with maple copy

[Andrew Morton]

On Mon, 2 Feb 2026 10:40:06 -0500 "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx> wrote:

> * Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> [260131 15:27]:
> > On Fri, 30 Jan 2026 15:59:05 -0500 "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx> wrote:
> > 
> > > The big node struct was created for simplicity of splitting,
> > > rebalancing, and spanning store operations by using a copy buffer to
> > > create the data necessary prior to breaking it up into 256B nodes.
> > > Certain operations were rather tricky due to the restriction of keeping
> > > NULL entries together and never at the end of a node (except the
> > > right-most node).
> > > 
> > 
> > Updated, thanks.
> > 
> > What are your thoughts on adding this to 6.19?  I'd expect to move it
> > into mm-stable Feb 17ish.
> 
> I think the chance of making 6.19 has passed.
> 
> Can we please target getting this into testing in linux-next as soon as
> 6.19 ships?
> 
> The priority for me is to ensure this is rock-solid prior to release.
> My concerns are corner cases and arch specific issues, which I can only
> do so much to mitigate on my own.  My hope is that linux-next exposure
> will help with those concerns.

Sounds good, I'll push this back into mm-new until -rc1.