Re: [PATCH] Increase maximum kmalloc size to 256K

From: Matthew Wilcox <matthew_at_wil.cx>
Date: 2005-09-23 10:58:04
On Thu, Sep 22, 2005 at 01:55:43PM -0700, Christoph Lameter wrote:
> On Thu, 22 Sep 2005, Andrew Morton wrote:
> 
> > Christoph Lameter <clameter@engr.sgi.com> wrote:
> > >
> > >  The workqueue structure can grow larger than 128k under 2.6.14-rc2 (with 
> > >  all debugging features enabled on 64 bit platforms)
> > 
> > Would it be better to use alloc_percpu() in there?  Bearing in mind that
> > one day we'll probably have an alloc_percpu() which incurs one less
> > indirection and which allocates things node-affinely.
> 
> Yes I am working on a patch like that right now. But there is still the 
> danger that other structures also may get big in the future. It would 
> be best to raise the limit.

It would be better to leave the limit alone so other structures which
get ridiculously big are also caught and fixed.
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Received on Fri Sep 23 10:58:48 2005

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