Re: [PATCH] ramfs fixes

From: Juan J. Quintela (
Date: Tue Jun 20 2000 - 06:57:36 EST

>>>>> "david" == David Gibson <> writes:


david> This actually went in somewhat recently, in 2.3.99pre something (where
david> something is around 4 IIRC). This fixed a bug in ramfs, since
david> previously the dirty bit was never being cleared.

david> At the time ramfs was the *only* place using PG_dirty - it looked like
david> it was just a misleading name for something analagous to BH_protected.

david> Obviously that's not true any more. What does the PG_dirty bit mean
david> these days?

It means that the page is Dirty??? :)))))
Seriosly, now we can have dirty swap cache pages and soon dirty page
cache pages, coming from mmaped files, not only pages from Ramfs have
that bit set.

Later, Juan.

In theory, practice and theory are the same, but in practice they 
are different -- Larry McVoy

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