Re: [PATCH 10 of 20] ipath - support for userspace apps using coredriver

From: Bryan O'Sullivan
Date: Fri Mar 17 2006 - 11:37:35 EST


On Fri, 2006-03-17 at 08:28 -0800, Linus Torvalds wrote:

> kmalloc may be backed by a "struct page", but the point is that it does
> not honor the page _count_, and as such it is totally unsuitable for any
> VM usage.

That's fine. We're not calling dma_free_coherent until after the page
count goes back down to one (the driver is once again the only user).
But this doesn't seem germane to what Nick brought up, anyway.

<b

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