On (05/11/07 14:46), Christoph Lameter didst pronounce: > On Mon, 5 Nov 2007, Mel Gorman wrote: > > > The grow_dev_page() pages should be reclaimable even though migration > > is not supported for those pages? They were marked movable as it was > > useful for lumpy reclaim taking back pages for hugepage allocations and > > the like. Would it make sense for memory unremove to attempt migration > > first and reclaim second? > > Note that a page is still movable even if there is no file system method > for migration available. In that case the page needs to be cleaned before > it can be moved. > Badari, do you know if the pages failed to migrate because they were dirty or because the filesystem simply had ownership of the pages and wouldn't let them go? -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html