If tail page prep and initialization is skipped, then the "start" page will not contain the correct nid. Use the nid from first vmemap page. Signed-off-by: Usama Arif <usama.arif@xxxxxxxxxxxxx> --- mm/hugetlb_vmemmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c index c2007ef5e9b0..208907f2c5e1 100644 --- a/mm/hugetlb_vmemmap.c +++ b/mm/hugetlb_vmemmap.c @@ -324,7 +324,7 @@ static int vmemmap_remap_free(unsigned long start, unsigned long end, .reuse_addr = reuse, .vmemmap_pages = &vmemmap_pages, }; - int nid = page_to_nid((struct page *)start); + int nid = page_to_nid((struct page *)reuse); gfp_t gfp_mask = GFP_KERNEL | __GFP_THISNODE | __GFP_NORETRY | __GFP_NOWARN; -- 2.25.1
