Re: lowmem_reserve (replaces protection)

[Andrea Arcangeli]

On Tue, Oct 26, 2004 at 05:42:37PM -0700, Andrew Morton wrote:
> Andrea Arcangeli <andrea@xxxxxxxxxx> wrote:
> >
> > I don't see any other equivalent teminology besides my "classzone" word
> > existing,
> 
> I'll confess that I've never understood what "classzone" _means_.  Is it "a
> zone from amongst several classes" or what?
> 
> If it was "zone_class" then it might mean "a particular classification of
> zones".  Maybe that's what you meant?
> 
> I think a lot of other mm hackers share my confusion, which is why
> "classzone" has been trickling away.  But yeah, we haven't been replacing it
> with anything very useful.

it's very easy to explain it now that you spontanously used that concept
in 2.6: classzone is the piece of ram represented by what you previously
called alloc_type in 2.6.9 mainline alloc_pages function. You wrote that
code so you know what it means. If you prefer to still call that
alloc_type that's fine with me.
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