Messages in this thread | | | Date | Tue, 5 May 2020 07:08:28 +1000 | From | Stephen Rothwell <> | Subject | Re: linux-next: Tree for May 4 --> mm: free_area_init: allow defining max_zone_pfn in descending order does increase memory use |
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Hi Mike,
On Mon, 4 May 2020 18:44:10 +0300 Mike Rapoport <rppt@linux.ibm.com> wrote: > > Ho Christian, > > On Mon, May 04, 2020 at 04:50:06PM +0200, Christian Borntraeger wrote: > > Mike, > > commit 51a2f644fd020d5f090044825c388444d11029d ("mm: free_area_init: allow defining max_zone_pfn in descending order") > > does increase the memory use on s390 (e.g. 700 MB vs.1.8 GB). > > > > Something is odd in this patch. Any idea? > > Yeah, this patch is buggy. In short, it breaks zone size calculation on > s390 and some other architectures. > > I've just replied at [1] with more details and a fix. > > [1] https://lore.kernel.org/linux-mm/20200504153901.GM14260@kernel.org/
I have added that to linux-next for today.
-- Cheers, Stephen Rothwell [unhandled content-type:application/pgp-signature] | |