Messages in this thread | | | Date | Fri, 29 Jun 2007 00:00:39 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [PATCH] Containment measures for slab objects on scatter gather lists |
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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?
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