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SubjectRe: [PATCH 2.5.43-mm2] New shared page table patch
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Dave McCracken wrote:

> 3) The current large page implementation is only for applications
> that want anonymous *non-pageable* shared memory. Shared page
> tables reduce resource usage for any shared area that's mapped
> at a common address and is large enough to span entire pte pages.


Does this happen automatically (i.e., without modifying th emmap call)?

In any case, a system using prelinking will likely have all users of a
DSO mapping the DSO at the same address. Will a system benefit in this
case? If not directly, perhaps with some help from ld.so since we do
know when we expect the same is used everywhere.

- --
- --------------. ,-. 444 Castro Street
Ulrich Drepper \ ,-----------------' \ Mountain View, CA 94041 USA
Red Hat `--' drepper at redhat.com `---------------------------
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