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SubjectRe: [RFC][PATCH 6/8] mm: handle_speculative_fault()
On Thu, 7 Jan 2010 10:36:52 -0600 (CST)
Christoph Lameter <> 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,

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