Minchan Kim cef4c7d29d mm: remove lru_add_drain_all in alloc_contig_range
__alloc_contig_migrate_range already has lru_add_drain_all call via
migrate_prep.  It's necessary to move LRU taget pages into LRU list to be
able to isolated.  However, lru_add_drain_all call after
__alloc_contig_migrate_range is pointless since it has changed source page
freeing from putback_lru_pages to put_page[1].

This patch removes it.

[1] c6c919eb90e0, ("mm: use put_page() to free page instead of putback_lru_page()"

Link: https://lkml.kernel.org/r/20210303204512.2863087-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-04-30 11:20:42 -07:00
..
2021-02-26 09:41:00 -08:00
2021-02-24 13:38:27 -08:00
2021-04-30 11:20:37 -07:00
2021-04-30 11:20:37 -07:00
2021-04-30 11:20:39 -07:00
2021-04-30 11:20:36 -07:00
2020-12-15 12:13:47 -08:00
2021-04-30 11:20:39 -07:00
2021-03-02 17:25:46 -07:00
2021-04-16 16:10:37 -07:00
2021-02-26 09:40:59 -08:00
2021-02-26 09:40:59 -08:00
2021-04-30 11:20:37 -07:00
2021-04-30 11:20:40 -07:00