Re: kmalloc() allocation.

From: Tigran Aivazian (tigran@veritas.com)
Date: Mon Oct 30 2000 - 11:54:09 EST


On Mon, 30 Oct 2000, Jeff Garzik wrote:

> "Richard B. Johnson" wrote:
> > Now, I could set up a linked-list of buffers and use vmalloc()
> > if the buffers were allocated from non-paged RAM. I don't think
> > they are. These buffers must be present during an interrupt.
>
> Non-paged RAM? I'm not sure what you mean by that.
>
> Both kmalloc and vmalloc allocate pages, but neither will allocate pages
> that the system will swap out (page out). [vk]malloc pages are always
> around during an interrupt.
>

Jeff, I was going to tell him that but in the previous sentence he was
talking about userspace supplied buffers and those are certainly not
pinned.

Regards,
Tigran

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