diff mbox series

[v1,2/6] mm: hugetlb_vmemmap: Use nid of the head page to reallocate it

Message ID 20230727204624.1942372-3-usama.arif@bytedance.com
State New
Headers
Series mm/memblock: Skip prep and initialization of struct pages freed later by HVO |

Commit Message

Usama Arif July 27, 2023, 8:46 p.m. UTC 
  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>
---
 mm/hugetlb_vmemmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c
index b721e87de2b3..bdf750a4786b 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;