Re: [RFC] move free page back to MIGRATE_MOVABLE?

2007-12-17 Thread Mel Gorman
On (13/12/07 13:19), Shaohua Li didst pronounce: > pages are MIGRATE_MOVABLE initially, and fallback to other types. If the > pages are freed, I wonder why not move them back to MIGRATE_MOVABLE. Because there is no need, if a MIGRATE_MOVABLE allocation needs more pages, they will be acquired durin

[RFC] move free page back to MIGRATE_MOVABLE?

2007-12-12 Thread Shaohua Li
pages are MIGRATE_MOVABLE initially, and fallback to other types. If the pages are freed, I wonder why not move them back to MIGRATE_MOVABLE. This, for example, can help memory remove. Thanks, Shaohua Index: linux/mm/page_alloc.c ==