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From: Muchun Song In-Reply-To: <20230906112605.2286994-4-usama.arif@bytedance.com> Date: Wed, 6 Sep 2023 19:35:52 +0800 Cc: Linux-MM , Mike Kravetz , "Mike Rapoport (IBM)" , LKML , Muchun Song , fam.zheng@bytedance.com, liangma@liangbit.com, punit.agrawal@bytedance.com Content-Transfer-Encoding: 7bit Message-Id: <05DA93DB-84E5-48C3-AA16-F1F2525C8CC8@linux.dev> References: <20230906112605.2286994-1-usama.arif@bytedance.com> <20230906112605.2286994-4-usama.arif@bytedance.com> To: Usama Arif X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: C6B0B40020 X-Stat-Signature: 7n6rxncqdjbtkpafxp1bhs9o36pp5tid X-HE-Tag: 1694000187-692980 X-HE-Meta: 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 2aS2jaah Z0anzcoFe6YeYOwzBnnJJtMkIiUdFOKzOvKG9NThZohvuQ96WTzoBilxz0T6u3nsCa1wccDqSnDToHtJnKxRZgc9f4JItNuNgMgsYQxYamgJDplFP9B+q5XVYwX/AdxgOUp5YO2Gdwbq1Um9qRCceBuPb0afyk+N2mDy83fAMkp3qImc2XhgBj4nz01fi7J+F3b9NT+unxCaIV+c94UYK3Fl7gsegkcuhYRSrbbtDMQX6m7hxrX4HVFQj+hAhKmpAWBPnymhrWhPPPXCbt6R/QvuxJa9JN61FkkEy 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 6, 2023, at 19:26, Usama Arif wrote: > > For reserved memory regions marked with this flag, > reserve_bootmem_region is not called during memmap_init_reserved_pages. > This can be used to avoid struct page initialization for > regions which won't need them, for e.g. hugepages with > HVO enabled. > > Signed-off-by: Usama Arif Acked-by: Muchun Song