Alan Cox wrote: > Both the BookE and MIPS pmap modules need to have their get_pv_entry() > functions updated. Their implementations of get_pv_entry() look like > what I would expect to find in FreeBSD 4. For example, the modern > equivalent of pmap_collect() is performed synchronously from > get_pv_entry() rather than asynchronously as a side-effect of waking the > page daemon. As a result of this mismatch, there is no > pmap_collect()-like support in HEAD for either BookE or MIPS. This > could cause either to crash under memory pressure. > > The simplest correct implementation of get_pv_entry() can be found in > the IA64 pmap module. You could cut-and-paste all but the body of the > inner loop. (amd64 and i386 are complicated by their efforts to save > memory.)
Alan, Thanks for bringing it out and the hints. I'll take a look and try to improve this for the BookE. Rafal _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
