Hi!
On 10:08 Tue 18 Aug , Devesh Sharma wrote:
> On Tue, Aug 18, 2009 at 9:17 AM, Mulyadi
> Santosa<[email protected]> wrote:
> > On Tue, Aug 18, 2009 at 4:03 AM, <[email protected]> wrote:
> >> Hi,
> >>
> >> I trying to allocate huge amount of memory >4GB (64bit) in LKM:
> >>
> If you do not require contiguous memory, use multiple calls of
> get_free_pages with order 10
> and have some simple buffer managament scheme over it.
I would rather recommend calling it with order 0. This means allocating
single pages instead of several contiguous ones. By doing this, you will
suffer less when the memory gets fragmented and you decrease the pressure
on the memory subsystem.
-Michi
--
programing a layer 3+4 network protocol for mesh networks
see http://michaelblizek.twilightparadox.com
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