v3
2026-11-11
迁移后替换空闲 hugetlb · v3
迁移后替换空闲 hugepage folio,并修复替换过程中空指针解引用,面向 6.12。
原始补丁链接
子 Patch(2)
1/2
mm: replace free hugepage folios after migration
[patchwork series v3] submitter=Mark Bundschuh patches (2): [v3,6.12,1/2] mm: replace free hugepage folios after migration [v3,6.12,2/2] mm/hugetlb: fix kernel NULL pointer dereference when replac
2/2
mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios
修复 alloc_and_dissolve_hugetlb_folio() 替换空闲 hugetlb folio 时的空指针解引用,处理 folio 私有字段/迁移路径,避免 test_cma.sh 触发的内核崩溃。