Messages in this thread | | | Date | Thu, 7 Jan 2010 20:49:40 -0800 | From | Arjan van de Ven <> | Subject | Re: [RFC][PATCH 6/8] mm: handle_speculative_fault() |
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On Thu, 7 Jan 2010 10:36:52 -0600 (CST) Christoph Lameter <cl@linux-foundation.org> wrote:
> On Thu, 7 Jan 2010, Linus Torvalds wrote: > > > You're missing what Arjan said - the jav workload does a lot of > > memory allocations too, causing mmap/munmap. > > Well isnt that tunable on the app level? Get bigger chunks of memory > in order to reduce the frequency of mmap operations? If you want > concurrency of faults then mmap_sem write locking currently needs to > be limited.
if an app has to change because our kernel sucks (for no good reason), "change the app" really is the lame type of answer.
-- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org
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