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Howlett" , Suren Baghdasaryan , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Muchun Song References: <20260825084608.47437-1-songmuchun@bytedance.com> <20260825084608.47437-10-songmuchun@bytedance.com> From: Qi Zheng In-Reply-To: <20260825084608.47437-10-songmuchun@bytedance.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 306DD100004 X-Stat-Signature: jeipo9sk5ozqoh6uzftsycc3ri5oud1o X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1787662214-209450 X-HE-Meta: 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 5jF2QvtS 2HOQoO1fnutbEI3cTrVHY/pFW70UEXwMW3/jD5fV57hOezjyxOCMMMRRklsMrpWllECLP3UQNPPwb/C59pBk3bpHmMCiggzE3LlsU8fQ8Q6E5buGUFXqcduW0D9EwxQ0ilFkqkHXeEkbNIYCaGyyyR5L4jFWeXsmGyuJzdAahMEo5gyyY+FeX/cmacvrSQwAEJ51XQYN6crIElJptecHTXpE6hiF3fIne0XNnzeyCeP9xT0fWbcKY84eU41dBMxrlAiQXOJCyIFWgwVFqfZwU0Z2KsfrF/1FFlMJ2z4aE80xd0UA+uRmVCXj79Q06awR0Qn7kb1poJ60q37MMijYtBVIgDpL2fqv7pAsE0k9ks9vzd/+jCdaJIxKu4eahn9Ql8Jcsp+HJ4tfsn0HEhsfQzwqygw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 8/25/26 4:46 PM, Muchun Song wrote: > Upcoming HugeTLB bootmem changes need sparsemem section metadata before > the HugeTLB bootmem allocation path runs. The memory sections are > initialized from sparse_init(), which is called too late for that setup. > > Move the code that initializes sparsemem section metadata for memblock > ranges into mm_core_init_early(), before free_area_init() and the HugeTLB > bootmem setup. Rename the helper to sparse_sections_init() so the new > caller describes the sparsemem-specific initialization step. > > This is a preparatory change. > > Signed-off-by: Muchun Song > Reviewed-by: Mike Rapoport (Microsoft) Acked-by: Qi Zheng Thanks, Qi