> > Lastly, which cache can be reclaimed, and which can't?
>
> Slab cache will shrink if there are whole pages which are empty (it may
> be that they have to be at the end of the cache). It is hard to tell
> from the above numbers if any of the caches could shrink, because it
> depends on the number of objects per page, and if there are any whole
> pages without allocated objects.
Btw, how to know the size of each objects in different cache?
--
Cheers!
--Zou Min
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