Why did you not cc Gerald who wrote the patch? You can't just run get_maintainers.pl and call it good. On Sun, Aug 25, 2019 at 02:06:21PM -0600, Yu Zhao wrote: > For hugely mapped thp, we use is_huge_zero_pmd() to check if it's > zero page or not. > > We do fill ptes with my_zero_pfn() when we split zero thp pmd, but > this is not what we have in vm_normal_page_pmd(). > pmd_trans_huge_lock() makes sure of it. > > This is a trivial fix for /proc/pid/numa_maps, and AFAIK nobody > complains about it. > > Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx> > --- > mm/memory.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/memory.c b/mm/memory.c > index e2bb51b6242e..ea3c74855b23 100644 > --- a/mm/memory.c > +++ b/mm/memory.c > @@ -654,7 +654,7 @@ struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, > > if (pmd_devmap(pmd)) > return NULL; > - if (is_zero_pfn(pfn)) > + if (is_huge_zero_pmd(pmd)) > return NULL; > if (unlikely(pfn > highest_memmap_pfn)) > return NULL; > -- > 2.23.0.187.g17f5b7556c-goog >
