Re: innd mmap bug in 2.4.0-test12

[Linus Torvalds]

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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