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Thu, 05 Nov 2026 03:28:56 -0800 (PST) Received: from [192.168.1.22] ([83.231.69.9]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4b56e2ae72dsm102176495e9.3.2026.11.05.03.28.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Nov 2026 03:28:56 -0800 (PST) Message-ID: <4f63ce1d-4e74-4fed-aa97-e00cd30781a5@gmail.com> Date: Thu, 5 Nov 2026 12:28:55 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/4] mm: hugetlb: fix GFP mask propagation to CMA To: Qi Zheng , muchun.song@linux.dev, osalvador@suse.de, david@kernel.org, akpm@linux-foundation.org, lance.yang@linux.dev Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Qi Zheng , stable@vger.kernel.org References: Content-Language: en-US From: "Jose A. Perez de Azpillaga" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/5/26 5:07 AM, Qi Zheng wrote: > From: Qi Zheng > > cma_alloc_frozen_compound() uses GFP_KERNEL, allowing direct reclaim > during the first MPOL_PREFERRED_MANY allocation attempt even though > the caller clears __GFP_DIRECT_RECLAIM. > > Pass the caller's GFP mask through the helper so CMA respects its > reclaim constraints when trying the preferred nodes. > > Fixes: 9bda131c6093 ("mm: cma: add cma_alloc_frozen{_compound}()") > Cc: stable@vger.kernel.org > Signed-off-by: Qi Zheng LGTM: Reviewed-by: Jose A. Perez de Azpillaga -- cheers, jose a. p-a