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Re: locking question: do_mmap(), do_munmap()

To: Ralf Baechle <>
Subject: Re: locking question: do_mmap(), do_munmap()
From: Dominic Sweetman <>
Date: Tue, 19 Oct 1999 08:34:30 +0100 (GMT/BST)
Cc: Kanoj Sarcar <>,,,
In-reply-to: <>
References: <> <> <>

> (On the R3000 which allows swapping of i-cache and d-cache for
> diagnostic purposes it actually is possible to have dirty lines in
> the d-cache when it's used as the i-cache...

Not really; the R3000 caches were always write-through, so the 
d-cache can never be dirty and in fact has exactly the same possible
states as the i-cache.

> But that's not a consideration for Linux.)

Well, OK then.

Dominic Sweetman

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