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Mon, 22 Dec 2025 17:41:27 -0800 (PST) From: Askar Safin To: gmazyland@gmail.com Cc: Dell.Client.Kernel@dell.com, dm-devel@lists.linux.dev, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-lvm@lists.linux.dev, linux-mm@kvack.org, linux-pm@vger.kernel.org, linux-raid@vger.kernel.org, lvm-devel@lists.linux.dev, mpatocka@redhat.com, pavel@ucw.cz, rafael@kernel.org Subject: Re: [RFC PATCH 2/2] swsusp: make it possible to hibernate to device mapper devices Date: Tue, 23 Dec 2025 04:41:14 +0300 Message-ID: <20251223014114.2193668-1-safinaskar@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <86300955-72e4-42d5-892d-f49bdf14441e@gmail.com> References: <86300955-72e4-42d5-892d-f49bdf14441e@gmail.com> Precedence: bulk X-Mailing-List: linux-lvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Milan Broz : > Anyway, my understanding is that all device-mapper targets use mempools, > which should ensure that they can process even under memory pressure. Also, I don't understand how mempools help here. As well as I understand, allocation from mempool is still real allocation if mempool's own reserve is over. -- Askar Safin