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From: Muchun Song In-Reply-To: <20230925234837.86786-9-mike.kravetz@oracle.com> Date: Tue, 26 Sep 2023 10:20:09 +0800 Cc: Linux-MM , LKML , Muchun Song , Joao Martins , Oscar Salvador , David Hildenbrand , Miaohe Lin , David Rientjes , Anshuman Khandual , Naoya Horiguchi , Barry Song <21cnbao@gmail.com>, Michal Hocko , Matthew Wilcox , Xiongchun Duan , Andrew Morton Content-Transfer-Encoding: 7bit Message-Id: References: <20230925234837.86786-1-mike.kravetz@oracle.com> <20230925234837.86786-9-mike.kravetz@oracle.com> To: Mike Kravetz X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: B62092000D X-Stat-Signature: xxbmu4159sdxs6rp8xfqot8x9j1janjh X-Rspam-User: X-HE-Tag: 1695694821-273328 X-HE-Meta: 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 zpR1EbF2 QJysrnbE3Zqg5ss2EUN2j9KLgQMBJAA9s8j0jjpw0pksItfgSdH+72OBw8zmrGyBfbt6oy5gfqvdG03++6dh9c6O/OtHP4j6UB1mfAovYva1W/T173a/SdBKceqjBRCVYoWnIATOUmAFS6iK4qKdweN4FeI5joQgq1tkMOQEN+A8kH1VP3ZQetZ6eItZUNKH8PA+r X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Sep 26, 2023, at 07:48, Mike Kravetz wrote: > > Update the internal hugetlb restore vmemmap code path such that TLB > flushing can be batched. Use the existing mechanism of passing the > VMEMMAP_REMAP_NO_TLB_FLUSH flag to indicate flushing should not be > performed for individual pages. The routine hugetlb_vmemmap_restore_folios > is the only user of this new mechanism, and it will perform a global > flush after all vmemmap is restored. > > Signed-off-by: Joao Martins > Signed-off-by: Mike Kravetz Reviewed-by: Muchun Song Thanks.