From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-161.mta0.migadu.com [91.218.175.161]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 369153CAA3C for ; Fri, 28 Aug 2026 06:42:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.161 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787899379; cv=none; b=dSIgRsvPYCxB3BbXJ7YIlgU4SfMA1bqUn6st0xiVNAIcQdXaRs7YB+/3eaSuJrBWiHYxej1Br8J+kJh6waJT1fuZ06m42s6wdgkIztbr+U6fsBW9iUdQM4ZkbD7iix+k39SlGAIk0cUXFlhkvzoaCWSXLA3LNnLaUOrbtr2oNOQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787899379; c=relaxed/simple; bh=g/7QNbYwvj/vNshzviunkxO3++t5btxOR6mdxsQA7QE=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=PwUKpGbi1jCveaOg9v2aQmgjiwvqOwitAt/fre0/t9zIbqIGs1wNU3jCCTDuzWbknSaNWMiI/Ki9HvUN60YRimmPPMTp5nR/cfchxe4yNoboaxuuTRrJ0Lr04eXSvRdzAiKB4lxP4UD4mptYT1OM7C2nJQLtg5PI1yWE0gLCH/c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=hXo2gBJq; arc=none smtp.client-ip=91.218.175.161 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="hXo2gBJq" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=g/7QNbYwvj/vNshzviunkxO3++t5btxOR6mdxsQA7QE=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1787899376; v=1; x=1788504176; b=hXo2gBJqrRnedDX5m4oPYFdvDyahBhB0vBotUAuGWIDlrdkb7XMs0a3VNAUroUNkXGTrfM88 bxQ7Gi3IKu8nilM6LZXKhasO1Ek6yanoXckF7Nhrpjc+zFRdJBTwra3aOvOHK41CGfPyQ/+rknh h+akAc8cFe7Vu39sl02F5mNg= X-Envelope-To: linux-kernel@vger.kernel.org Received: by mta10.migadu.com with ESMTPS id 687cbe4f83213111; 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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) > 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.