On Wed, 14 Jun 2006 18:49:29 -0700 Mike Kravetz <kravetz at us.ibm.com> wrote: > I had a pretty good memory remove (on POWER) demo working back on > linux-2.6.12-rc3. Wow that was long ago!!! > > But, I recall 'starting' with the -mhp kernel. Needed/wanted to add some > code to make the offline operations interruptable (otherwise it might try > forever to migrate a page that was impossible to migrate). I then merged > in Mel Gorman's fragmentation avoidance patches. Also added some code to > export 'memory usage' (based on Mel's Patch) back to user land. Needed this > piece to determine what sections were good candidates for remove. > yes. some method for "grouping removable memory" will be necessary. We used HIGHMEM as reclaimable memory in old days. -Kame
