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Add regression and new tests when hugepage has correctable memory errors, and how userspace wants to deal with it: * if enable_soft_offline=1, mapped hugepage is soft offlined * if enable_soft_offline=0, mapped hugepage is intact Free hugepages case is not explicitly covered by the tests. Hugepage having corrected memory errors is emulated with MADV_SOFT_OFFLINE. [jiaqiyan@google.com: v7] Link: https://lkml.kernel.org/r/20240628205958.2845610-4-jiaqiyan@google.com Link: https://lkml.kernel.org/r/20240626050818.2277273-4-jiaqiyan@google.com Signed-off-by: Jiaqi Yan <jiaqiyan@google.com> Acked-by: Miaohe Lin <linmiaohe@huawei.com> Acked-by: David Rientjes <rientjes@google.com> Cc: Frank van der Linden <fvdl@google.com> Cc: Jane Chu <jane.chu@oracle.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Lance Yang <ioworker0@gmail.com> Cc: Muchun Song <muchun.song@linux.dev> Cc: Naoya Horiguchi <nao.horiguchi@gmail.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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