Messages in this thread | | | Date | Fri, 29 Jun 2007 02:06:55 -0700 (PDT) | Subject | Re: [PATCH] Containment measures for slab objects on scatter gather lists | From | David Miller <> |
| |
From: Christoph Lameter <clameter@sgi.com> Date: Fri, 29 Jun 2007 00:00:39 -0700 (PDT)
> On Thu, 28 Jun 2007, David Miller wrote: > > > Really, it would be great if we could treat kmalloc() objects > > just like real pages. Everything wants to do I/O on pages > > but sometimes (like the networking) you have a kmalloc > > chunk which is technically just a part of a page. > > > > The fact that there is no easy way to make this work is > > frustrating :-) > > There is easy way: Allocate a page and just use the first N bytes. You can > specify the bytes to be used when putting the memory onto the scatter > gather list. This wastes memory but it works. You have real refcounting > since you got a real page. > > How frequent are these objects?
Every single network packet. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |