Messages in this thread | | | Date | Fri, 30 May 2008 11:12:12 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [patch 00/41] cpu alloc / cpu ops v3: Optimize per cpu access |
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On Fri, 30 May 2008, Matthew Wilcox wrote:
> On Fri, May 30, 2008 at 10:50:04AM -0700, Christoph Lameter wrote: > > cpu alloc v2 had an extendable per cpu space. You have the patches. We > > could put this on top of this patchset if necessary. But then it not so > > nice and simple anymore. Maybe we can rstrict the use of cpu alloc > > instead to users with objects < cache_line_size() or so? > > Restricting the use of cpu_alloc based on size of object is no good when > you're trying to allocate 45,000 objects. Extending the per CPU space > is the only option.
Ok guess we need to bring the virtually mapped per cpu patches forward.
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