12GB RAM with DfBSD?

Joerg Sonnenberger joerg at britannica.bec.de
Wed Sep 7 14:01:30 PDT 2005


On Wed, Sep 07, 2005 at 01:06:32PM -0700, Matthew Dillon wrote:
>     We are *NEVER* going to support PAE for 32 bit builds.  I do intend to
>     support 32 bit environments with 64 bit kernel builds, though, once
>     we start the 64 bit kernel work, and W^X will work for those
>     environments (because even with 32 bit user environments the kernel
>     page tables will still be in 64 bit mode).

The amount of work necessary for W^X is isolated to the page table
handling. I don't mean switching to 64bit address for internal use and
the like, therein lays madnes. The latter is what made PAE so unstable in
FreeBSD afterall.

Joerg





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