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Wed, 23 Sep 2026 02:42:58 +0000 X-Mizu-Trace-ID: f8f061495026a087 X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.700.51.1.1\)) Subject: Re: [PATCH] hugetlbfs: fix stale comment in hugetlbfs_file_mmap() From: Muchun Song In-Reply-To: Date: Wed, 23 Sep 2026 10:42:41 +0800 Cc: linux-mm@kvack.org, Oscar Salvador , David Hildenbrand , Andrew Morton , linux-kernel@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <7BFA772C-FC76-4414-88D8-A0E77087C533@linux.dev> References: To: Zhenghui Hao X-Mailer: Apple Mail (2.3864.700.51.1.1) X-Stat-Signature: kczz8efayaktp7wrbcgsh88nyansnk99 X-Rspamd-Queue-Id: EEBC280006 X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1790131380-219701 X-HE-Meta: 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 Eq8FFMgE GZJRcYlxFTtU3NNBFPdI/pE81iWzoYDURkhpg+33IaJ79huul15fOuu+4wP4j7MQIlCoVdognl3KinmUNHOlR3MKBcYT/ucIEZEsL25Scss+2kobHYF5j+lZeJkEFwfzXnMKCO4oGcFigHy6UakaQRUieOUzEf3MU96IEdloLxFCDYp+wjx9gUa5C/QFj+8krXobAfISe8gFTyqBKWC+pCqiux3lRmTNlAUzFBpnl6eCs8EPiywrV/BrotFTm/bwDS01f5QTYsUh3VIBYJBF0q0g5i338Nq5jT3/dHdSdTaEDyUVMWMnhTQik18EOffzsDvQ4cdrvvT5wCYA= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Sep 23, 2026, at 10:28, Zhenghui Hao wrote: > > The comment above the VMA flag setup in hugetlbfs_file_mmap() says the VMA > address alignment has already been checked by prepare_hugepage_range(). > That function no longer exists: it was removed by commit eff41389d824 > ("mm/hugetlb: remove prepare_hugepage_range()"), and the check now lives in > hugetlb_get_unmapped_area(). > > The comment also mentions ia64, which was removed from the tree by commit > cf8e8658100d ("arch: Remove Itanium (IA-64) architecture"). > > Point the comment at the current function and drop the ia64 reference. The > rest of the comment, which tells future edits to add any error return only > after VM_HUGETLB has been set, is still accurate and is left untouched. > > No functional change. > > Signed-off-by: Zhenghui Hao Acked-by: Muchun Song THanks.