Messages in this thread | | | Subject | Re: [PATCH 08/40] mm: kmem_cache_objsize | From | Peter Zijlstra <> | Date | Fri, 04 May 2007 20:21:44 +0200 |
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On Fri, 2007-05-04 at 11:04 -0700, Christoph Lameter wrote: > On Fri, 4 May 2007, Peter Zijlstra wrote: > > > > I could add a function that tells you how many object you could allocate > > > from a slab without the page allocator becoming involved? It would count > > > the object slots available on the partial slabs. > > > > I need to know how many pages to reserve to allocate a given number of > > items from a given slab; assuming the partial slabs are empty. That is, > > I need a worst case upper bound. > > Ok so you really need the number of objects per page? If you know the > number of objects then you can calculate the pages needed which would be > the maximum memory needed?
Yes, that would work.
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