On Mon 06-02-17 07:24:00, Matthew Wilcox wrote:

On Mon, Feb 06, 2017 at 03:34:50PM +0100, Michal Hocko wrote:

quoted

This part is not needed for the patch, strictly speaking but I wanted to
make the code more future proof.

Understood.  I took an extra bit myself for marking the radix tree as
being used for an IDR (so the radix tree now uses 4 bits).  I see you
already split out the address space GFP mask from the other flags :-)
I would prefer not to do that with the radix tree, but I understand
your desire for more GFP bits.  I'm not entirely sure that an implicit
gfpmask makes a lot of sense for the radix tree, but it'd be a big effort
to change all the callers.  Anyway, I'm going to update your line here
for my current tree and add the build bug so we'll know if we ever hit
any problems.

OK, do I get it right that the patch can stay as is and go to Andrew?
I would really like to not rebase the patch again for something that is
not merged yet. I really hope for getting this merged finally...

-- 
Michal Hocko
SUSE Labs

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