Some misc migrate code cleanup and improvement.
v2: * Fixed the comments from Zi Yan
* Collected Reviewed-by
Yang Shi (5):
mm: truncate_complete_page is not existed anymore
mm: migrate: simplify the logic for handling permanent failure
mm: migrate: skip shared exec THP for NUMA balancing
mm: migrate: clean up migrate_prep{_local}
mm: migrate: return -ENOSYS if THP migration is unsupported
include/linux/migrate.h | 4 +--
mm/mempolicy.c | 8 ++---
mm/migrate.c | 158
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------------------------
mm/vmscan.c | 2 +-
4 files changed, 108 insertions(+), 64 deletions(-)
