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Fri, 28 Aug 2026 06:42:55 +0000 X-Mizu-Trace-ID: 687cbe4f83213111 X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.600.51.1.1\)) Subject: Re: [PATCH v2 2/2] mm/hugetlb: warn instead of silently bailing gigantic pages without runtime support From: Muchun Song In-Reply-To: <20260823044118.1097121-3-xialonglong2025@163.com> Date: Fri, 28 Aug 2026 14:42:37 +0800 Cc: osalvador@suse.de, akpm@linux-foundation.org, david@kernel.org, mike.kravetz@oracle.com, mhocko@suse.com, linmiaohe@huawei.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, xialonglong@kylinos.cn Content-Transfer-Encoding: 7bit Message-Id: <2EC70FCF-D812-4FD2-9172-F2520FE931B2@linux.dev> References: <20260823044118.1097121-1-xialonglong2025@163.com> <20260823044118.1097121-3-xialonglong2025@163.com> To: Longlong Xia X-Mailer: Apple Mail (2.3864.600.51.1.1) X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 40A26A0003 X-Stat-Signature: ws177o79hxt3s6hw3fwgcjo6qwz3rydt X-HE-Tag: 1787899387-589535 X-HE-Meta: U2FsdGVkX1/LKHWSAi5iPDtDkJVs6s/uIREkw0AeRoKquWbqc3EWL7UcnR5rHI+pShPoMy0+saZb6uHk6MqjXoScdorrIoTo9ivYsuRo+Djy8aDOL41PqfNDwnJZm7WBVsBSFwT1PRqMCeeiRqEzxQ5UFZBLgm+sFKKs2vEDxGpM/8w9aPgD3P1uUu9ttSp9gVNmg5cI9tUGEWQET5StvrttJI9jZ1ijLSf6mooEBLPtu0LgwHn4I9d2a1QPPy45+c3CGbOV1MgqjoDHyGAav6MN/a/kqfKp5YIcgKLpwlVKs783nwRic3Oj8/yQTEddBfl0Bvfi2rq9LXzHqD2/ahEAfe4h1mKaE6uV/I/hMazfnRmyU0nUNlgGYs+T++E6l4wNkOAVxnALLtgnUjhya4HQPyYU+DSrYYAFfNYFiP+FWG9iYYOnAFwZetPhtp4VBUDKIEJTGmJtetQkknCH2x1XZKWP7j8B1LONm3JYK6TacKDmKcGVN9Qoa9MuSclY1YY1GnjpwTGL9T7Lherz+mR5wZwJ3Lx7/Zv/Jrzw5CeGrxDpsv2UuePK/UKXX+0yM8THWS41ZVqy8gFGTLiL9o7R92FYvGkTUyYC/NMmjU5XvAcA34LdAeeYnwjE7Jo4McFAMvXXBq79Fa/Exy678yIq+xbUQmOzINIKOOKwHk8IrVCLT3c7/ItE3s6V+X2XgieSlBXJMZg5SfZUviFcGKETGdvrZzza+QXoG8uCSq0VFCmJGpwDeSjlqRNYbzaogukBzzjH37xopoRq0Qx3GkPjHztgeNHJfAex/O+n3/IKfDeoKTveIy0ImHfsOyYPd+PUl++8uxCE1og5TA7X3vTlebgFYWha5E/PxBGpc1hujFkHufFVwLFVr59bJ3UT3L55PVp/gytByrhH2M29BNOqoYRVn/I4sutaXpl3PWQSNvcrHeTvIDRT0IZJ3yvr5aa2oie1yAfwvC/r0fF shzU574d XcsgMc6g7hMbQ4zsSH4ILjgGrnEiARz1aXXMZqpdZ2dSQOavEtOjH1y/b2RfbxzAvQpvoZO6Bi0VBerwsGVIfCNKwtCvmU5rnsgi0W05WBpXz1br56vpp+W5oCi0+cxhBtPbJMvlTx/qQwUOWnGKNA0J5ONl0TSe663k3UV+1IEdIAE1I7rS31q+ToAFMEhSxSuKAFNOzqFogAwxkTZWcjnqhUo2c9WxJmRMAAPGpmU4KBnJ8ikDc8Umyvb/Dp24DngT+p4lDO7pYnrBGSkqotKtKvcDzlhwvVnv3Z6UcWdKPLrfURW3Ky/AL0j1dBzQdMABa Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Aug 23, 2026, at 12:40, Longlong Xia wrote: > > From: Longlong Xia > > remove_hugetlb_folio() and __update_and_free_hugetlb_folio() silently > return for gigantic hstates that lack runtime freeing support. All > callers should already filter such hstates upstream, so turn the > silent bail into a VM_WARN_ON_ONCE to catch caller regressions > instead of masking them. > > Assisted-by: Codex:gpt-5.6-sol > Signed-off-by: Longlong Xia Acked-by: Muchun Song Thanks.