Re: mapping user space buffer to kernel address space

From: Linus Torvalds (torvalds@transmeta.com)
Date: Mon Oct 16 2000 - 17:21:11 EST


On Tue, 17 Oct 2000, Andrea Arcangeli wrote:
>
> And anyways from a design standpoint it looks much better to really pin the
> page in the pte too (just like kernel reserved pages are pinend after a
> remap_page_range).

No.

Read my emails.

"Pinning" is stupid. There are no ifs, buts, or maybes about it.

Pinning will not happen.

(And remap_page_range() has nothing to do with pinning - they are just
pages that cannot be swapped out because they are not normal pages at
all).

                Linus

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