On 12/26/13 00:46, Marcel Moolenaar wrote: > Author: marcel > Date: Thu Dec 26 05:46:10 2013 > New Revision: 259908 > URL: http://svnweb.freebsd.org/changeset/base/259908 > > Log: > For ia64, use pmap_remove_pages() and not pmap_remove(). The problem is > that we don't have a good way (yet) to iterate over the mapped pages by > virtual address and simply try each page within the range. Given that we > call pmap_remove() over the entire 2^63 bytes of address space, it takes > a while for pmap_remove to have tried all 2^50 pages. > By using pmap_remove_pages() we use the PV list to find all mappings. > > Change derived from a patch by: alc >
Why make this ia64-specific? It seems like a potentially useful general optimization and certainly shouldn't be harmful on other architectures. -Nathan _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
