Re: [RFC PATCH 2/2] swsusp: make it possible to hibernate to device mapper devices

Askar Safin <[email protected]> Tue, 23 Dec 2025 04:41:14 +0300
Newsgroups dev.linux.lists.linux-lvm,dev.linux.lists.dm-devel,dev.linux.lists.lvm-devel,org.kernel.vger.linux-block,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-crypto,org.kernel.vger.linux-pm,org.kernel.vger.linux-raid,org.kvack.linux-mm
Message-ID <[email protected]>
Milan Broz <[email protected]>:
> 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