From: akpm@linux-foundation.org
To: borntraeger@de.ibm.com, gerald.schaefer@linux.ibm.com,
gor@linux.ibm.com, hca@linux.ibm.com, hughd@google.com,
kirill.shutemov@linux.intel.com, mgorman@suse.de,
mhocko@suse.com, mm-commits@vger.kernel.org, shy828301@gmail.com,
ying.huang@intel.com, ziy@nvidia.com
Subject: + mm-migrate-account-thp-numa-migration-counters-correctly.patch added to -mm tree
Date: Tue, 18 May 2021 14:08:16 -0700 [thread overview]
Message-ID: <20210518210816.qz-D5rPZA%akpm@linux-foundation.org> (raw)
The patch titled
Subject: mm: migrate: account THP NUMA migration counters correctly
has been added to the -mm tree. Its filename is
mm-migrate-account-thp-numa-migration-counters-correctly.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-migrate-account-thp-numa-migration-counters-correctly.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-migrate-account-thp-numa-migration-counters-correctly.patch
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*** 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: Yang Shi <shy828301@gmail.com>
Subject: 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>
---
mm/migrate.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/mm/migrate.c~mm-migrate-account-thp-numa-migration-counters-correctly
+++ a/mm/migrate.c
@@ -2116,6 +2116,7 @@ int migrate_misplaced_page(struct page *
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
@@ -2154,13 +2155,13 @@ int migrate_misplaced_page(struct page *
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;
_
Patches currently in -mm which might be from shy828301@gmail.com are
mm-thp-check-total_mapcount-instead-of-page_mapcount.patch
mm-memory-add-orig_pmd-to-struct-vm_fault.patch
mm-memory-make-numa_migrate_prep-non-static.patch
mm-thp-refactor-numa-fault-handling.patch
mm-migrate-account-thp-numa-migration-counters-correctly.patch
mm-migrate-dont-split-thp-for-misplaced-numa-page.patch
mm-migrate-check-mapcount-for-thp-instead-of-refcount.patch
mm-thp-skip-make-pmd-prot_none-if-thp-migration-is-not-supported.patch
reply other threads:[~2021-05-18 21:08 UTC|newest]
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