Re: [PATCH] Re: swapcache bug?

[ebiederm+eric@ccr.net (Eric W. Biederman)]

>>>>> "LT" == Linus Torvalds <torvalds@transmeta.com> writes:

LT> Yes. The page offset will become a "sector offset" (I'd actually like to
LT> make it a page number, but then I'd have to break ZMAGIC dynamic loading
LT> due to the fractional page offsets, so it's not worth it for three extra
LT> bits), and that gives you 41 bits of addressing even on a 32-bit machine.
LT> Which is plenty - considering that by the time you need more than that
LT> you'd _really_ better be running on a larger machine anyway. 

???  With the latter OMAGIC format everthing is page aligned already.

I have a patch that removes page sharing support from ZMAGIC but keeps
everything functional.  Tested with a OMAGIC libc ZMAGIC doom and
ZMAGIC Xlibs.   This is on my queue for submission to 2.3.

Eric
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