Hi Rik,

FYI, there are new compile warnings show up in

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git schednuma2
head:   fd954115e6614c4302be92943ad9128aff5d3f83
commit: bda5b880136ce294989a5757b2db524914025efb [19/20] mm, numa: retry failed page migrations
config: x86_64-randconfig-x690 (attached as .config)

All error/warnings:

mm/memory.c: In function 'do_prot_none':
mm/memory.c:3458:12: warning: unused variable 'ret' [-Wunused-variable]
mm/memory.c:3458:6: warning: unused variable 'node' [-Wunused-variable]

vim +3458 mm/memory.c
  3455	{
  3456		struct page *page = NULL;
  3457		spinlock_t *ptl;
> 3458		int node, ret;
  3459	
  3460		ptl = pte_lockptr(mm, pmd);
  3461		spin_lock(ptl);

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com>                     Intel Corporation