On Tue, 10 May 2022 11:45:57 +0800 Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> wrote: > Hi, > > Now migrating a hugetlb page or unmapping a poisoned hugetlb page, we'll > use ptep_clear_flush() and set_pte_at() to nuke the page table entry > and remap it, and this is incorrect for CONT-PTE or CONT-PMD size hugetlb > page, It would be helpful to describe why it's wrong. Something like "should use huge_ptep_clear_flush() and huge_ptep_clear_flush() for this purpose"? > which will cause potential data consistent issue. This patch set > will change to use hugetlb related APIs to fix this issue, please find > details in each patch. Thanks. Is a cc:stable needed here? And are we able to identify a target for a Fixes: tag?