diff options
| author | Yang Shi <shy828301@gmail.com> | 2021-06-30 18:51:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-30 20:47:30 -0700 |
| commit | c5fc5c3ae0c849c713c4291addb5fce699ad0972 (patch) | |
| tree | bcb85c2b38f28aa865708f524c916bbbc3a5a0ba /mm | |
| parent | c5b5a3dd2c1fa61049b7789ce596faff4d659a61 (diff) | |
mm: migrate: account THP NUMA migration counters correctly
Now both base page and THP NUMA migration is done via
migrate_misplaced_page(), keep the counters correctly for THP.
Link: https://lkml.kernel.org/r/20210518200801.7413-5-shy828301@gmail.com
Signed-off-by: Yang Shi <shy828301@gmail.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/migrate.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index b7e330900b86..e191314f0f19 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2117,6 +2117,7 @@ int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, LIST_HEAD(migratepages); new_page_t *new; bool compound; + unsigned int nr_pages = thp_nr_pages(page); /* * PTE mapped THP or HugeTLB page can't reach here so the page could @@ -2155,13 +2156,13 @@ int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, if (nr_remaining) { if (!list_empty(&migratepages)) { list_del(&page->lru); - dec_node_page_state(page, NR_ISOLATED_ANON + - page_is_file_lru(page)); + mod_node_page_state(page_pgdat(page), NR_ISOLATED_ANON + + page_is_file_lru(page), -nr_pages); putback_lru_page(page); } isolated = 0; } else - count_vm_numa_event(NUMA_PAGE_MIGRATE); + count_vm_numa_events(NUMA_PAGE_MIGRATE, nr_pages); BUG_ON(!list_empty(&migratepages)); return isolated; |