Messages in this thread Patch in this message | | | From | Usama Arif <> | Subject | [v4 1/4] mm: hugetlb_vmemmap: Use nid of the head page to reallocate it | Date | Wed, 6 Sep 2023 12:26:02 +0100 |
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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@bytedance.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> --- 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 aeb7dd889eee..3cdb38d87a95 100644 --- a/mm/hugetlb_vmemmap.c +++ b/mm/hugetlb_vmemmap.c @@ -319,7 +319,7 @@ 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
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