Messages in this thread | | | From | Vitaly Wool <> | Date | Mon, 27 Mar 2023 08:19:56 +0200 | Subject | Re: [PATCH -next v6 2/2] mm/zswap: delay the initializaton of zswap |
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On Thu, Mar 23, 2023 at 8:59 AM Christoph Hellwig <hch@lst.de> wrote: > > On Wed, Mar 22, 2023 at 06:17:12PM +0100, Vitaly Wool wrote: > > On Wed, Mar 22, 2023 at 10:30 AM Liu Shixin <liushixin2@huawei.com> wrote: > > > > > > Since some users may not use zswap, the zswap_pool is wasted. Save memory > > > by delaying the initialization of zswap until enabled. > > > > To be honest, I'm not a huge fan of this. Would enabling zswap module > > build instead solve your problem? > > making zswap build modular would be a mess. It is core MM infrastructure > and now we'd need to start dealing with adding and removing it at > runtime as well as module refcounting.
Since when is it a core MM infrastructure? It is basically just a frontswap frontend.
~Vitaly
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