+ mm-migration-remove-unneeded-local-variable-page_lru.patch added to -mm tree

+ mm-migration-remove-unneeded-local-variable-page_lru.patch added to -mm tree

[Andrew Morton]

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

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------------------------------------------------------
From: Miaohe Lin <linmiaohe@huawei.com>
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@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@huawei.com 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