Re: [test patch] dirty shared mappings

H. Peter Anvin (hpa@transmeta.com)
9 Jan 1998 19:45:39 GMT

Followup to: <Pine.LNX.3.95.980109101033.2472M-100000@penguin.transmeta.com>
By author: Linus Torvalds <torvalds@transmeta.com>
In newsgroup: linux.dev.kernel
>
> And I thought that _everything_ shared the same page pool with no
> protection checks (ie different processes that aren't related would get
> the same shared pages).
>
> But if the above only gets a "private" shared memory area (ie only passed
> down as a shared memory area through fork(), not accessible through other
> unrelated processes doing the same mmap()), then it is not as braindamaged
> as I thought it was.
>

I'm pretty sure that's what it does. If it didn't well it would
certainly be idiotic.

-hpa

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