On Wed, 7 Mar 2007, Matt Mackall wrote:
> > I have a patch here to make this dependent on page size using a loop. The
> > problem is that it does not work with some versions of gcc. On the
> > other hand we really need this since one arch can
> > actually have an order 22 page size!
>
> You do
On Wed, Mar 07, 2007 at 07:34:38AM -0800, Christoph Lameter wrote:
> On Wed, 7 Mar 2007, Peter Zijlstra wrote:
>
> > > return -1;
> > > }
> >
> > Perhaps so something with PAGE_SIZE here, as you know there are
> > platforms/configs where PAGE_SIZE != 4k :-)
>
> Any allocation > 2k just uses a
On Wed, 7 Mar 2007, Peter Zijlstra wrote:
> > return -1;
> > }
>
> Perhaps so something with PAGE_SIZE here, as you know there are
> platforms/configs where PAGE_SIZE != 4k :-)
Any allocation > 2k just uses a regular allocation which will waste space.
I have a patch here to make this depen
On Tue, 2007-03-06 at 18:35 -0800, Christoph Lameter wrote:
> Unlimited kmalloc size and removal of general caches >=4.
>
> We can directly use the page allocator for all allocations 4K and larger. This
> means that no general slabs are necessary and the size of the allocation
> passed
> to kmall
On Tue, 6 Mar 2007, Matt Mackall wrote:
> I've been meaning to do this in SLOB as well. Perhaps it warrants
> doing in stock kmalloc? I've got a grand total of 18 of these objects
> here.
The number increases with the number numa nodes. We have had trouble with
the maximum kmalloc size before and
On Tue, Mar 06, 2007 at 06:35:16PM -0800, Christoph Lameter wrote:
> Unlimited kmalloc size and removal of general caches >=4.
>
> We can directly use the page allocator for all allocations 4K and larger. This
> means that no general slabs are necessary and the size of the allocation
> passed
> t
Unlimited kmalloc size and removal of general caches >=4.
We can directly use the page allocator for all allocations 4K and larger. This
means that no general slabs are necessary and the size of the allocation passed
to kmalloc() can be arbitrarily large. Remove the useless general caches over
4k
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