The patch titled Subject: mm/migration: remove unneeded local variable page_lru has been added to the -mm tree. Its filename is mm-migration-remove-unneeded-local-variable-page_lru.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-migration-remove-unneeded-local-variable-page_lru.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-migration-remove-unneeded-local-variable-page_lru.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/migration: remove unneeded local variable page_lru We can use page_is_file_lru() directly to help account the isolated pages to simplify the code a bit. Link: https://lkml.kernel.org/r/20220318111709.60311-4-linmiaohe@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Cc: Alistair Popple <apopple@xxxxxxxxxx> Cc: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Cc: "Huang, Ying" <ying.huang@xxxxxxxxx> Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx> Cc: Zi Yan <ziy@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/migrate.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/mm/migrate.c~mm-migration-remove-unneeded-local-variable-page_lru +++ a/mm/migrate.c @@ -2024,7 +2024,6 @@ static struct page *alloc_misplaced_dst_ static int numamigrate_isolate_page(pg_data_t *pgdat, struct page *page) { - int page_lru; int nr_pages = thp_nr_pages(page); int order = compound_order(page); @@ -2051,8 +2050,7 @@ static int numamigrate_isolate_page(pg_d if (isolate_lru_page(page)) return 0; - page_lru = page_is_file_lru(page); - mod_node_page_state(page_pgdat(page), NR_ISOLATED_ANON + page_lru, + mod_node_page_state(page_pgdat(page), NR_ISOLATED_ANON + page_is_file_lru(page), nr_pages); /* _ Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are mm-shmem-make-shmem_init-return-void.patch mm-memcg-remove-unneeded-nr_scanned.patch mm-mremap-use-helper-mlock_future_check.patch mm-mlock-fix-two-bugs-in-user_shm_lock.patch mm-compaction-use-helper-isolation_suitable.patch mm-migration-remove-unneeded-local-variable-mapping_locked.patch mm-migration-remove-unneeded-out-label.patch mm-migration-remove-unneeded-local-variable-page_lru.patch mm-migration-fix-the-confusing-pagetranshuge-check.patch mm-migration-use-helper-function-vma_lookup-in-add_page_for_migration.patch mm-migration-use-helper-macro-min-in-do_pages_stat.patch mm-migration-avoid-unneeded-nodemask_t-initialization.patch mm-migration-remove-some-duplicated-codes-in-migrate_pages.patch mm-migration-fix-potential-page-refcounts-leak-in-migrate_pages.patch mm-migration-fix-potential-invalid-node-access-for-reclaim-based-migration.patch mm-migration-fix-possible-do_pages_stat_array-racing-with-memory-offline.patch