[PATCH 4/6] mm/migrate: Add new migrate mode MIGRATE_MT

From: Zi Yan This change adds a new migration mode called MIGRATE_MT to enable multi threaded page copy implementation inside copy_huge_page() function by selectively calling copy_pages_mthread() when requested. But it still falls back using the regular page copy mechanism

[PATCH 4/6] mm/migrate: Add new migrate mode MIGRATE_MT

From: Zi Yan This change adds a new migration mode called MIGRATE_MT to enable multi threaded page copy implementation inside copy_huge_page() function by selectively calling copy_pages_mthread() when requested. But it still falls back using the regular page copy mechanism instead the previous