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Date: Sun, 24 Dec 2000 14:08:25 -0800 (PST)
From: Linus Torvalds <torvalds@transmeta.com>
To: Daniel Phillips <phillips@innominate.de>
cc: linux-kernel@vger.kernel.org
Subject: Re: innd mmap bug in 2.4.0-test12
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On Sun, 24 Dec 2000, Daniel Phillips wrote:
> 
> It looks like PG_dirty is now being used only for swap_cache pages, and
> not for buffer cache and page cache pages, is that correct?

No. PG_dirty is used for all memory mapped pages - be they anonymous or
not.  

These days the buffer dirty bits are only used by "write()", because
write() can obviously dirty smaller areas than one page.

		Linus

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