Messages in this thread | | | Date | Wed, 16 Nov 2022 15:49:29 -0800 | From | Minchan Kim <> | Subject | Re: [PATCH v3 3/5] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order |
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On Wed, Nov 16, 2022 at 05:02:57PM -0500, Johannes Weiner wrote: > On Thu, Nov 10, 2022 at 02:48:32PM -0800, Minchan Kim wrote: > > On Thu, Nov 10, 2022 at 09:18:31AM -0800, Nhat Pham wrote: > > > > Please put the LRU logic under config ZSMALLOC_LRU since we don't need the > > > > additional logic to others. > > > > > > I think the existing CONFIG_ZPOOL would be a good option for this purpose. It > > > should disable the LRU behavior for non-zswap use case (zram for e.g). The > > > eviction logic is also currently defined under this. What do you think, > > > Minchan? > > > > That sounds good. > > > > Sergey and I are working to change zsmalloc zspage size. > > https://lore.kernel.org/linux-mm/20221031054108.541190-1-senozhatsky@chromium.org/ > > > > Could you send a new version once we settle those change down > > in Andrew's tree to minimize conflict? > > (Feel free to join the review/discussion if you are also interested ;-)) > > I've been reading through that thread, and it doesn't look like it'll > be ready for the upcoming merge window. (I've tried to contribute
Depending on the discussion status :)
> something useful to it, but it's a fairly difficult tuning problem, > and I don't know if a sysfs knob is the best answer, either...)
That's the point.
> > Would you have any objections to putting Nhat's patches here into 6.2?
I don't want to block due to other issues so no objection from my side.
> > It doesn't sound like there was any more feedback (except the trivial > ifdef around the LRU), and the patches are otherwise ready to go.
In fact, I didn't start the review yet so please post it unless Sergey objects it.
Thank you.
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