Commit 4e694fe4 authored by Kefeng Wang's avatar Kefeng Wang Committed by Andrew Morton

mm: migrate: use folio_xchg_last_cpupid() in folio_migrate_flags()

Convert to use folio_xchg_last_cpupid() in folio_migrate_flags(), also
directly use folio_nid() instead of page_to_nid(&folio->page).

Link: https://lkml.kernel.org/r/20231018140806.2783514-15-wangkefeng.wang@huawei.comSigned-off-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 1b143cc7
......@@ -588,20 +588,20 @@ void folio_migrate_flags(struct folio *newfolio, struct folio *folio)
* Copy NUMA information to the new page, to prevent over-eager
* future migrations of this same page.
*/
cpupid = page_cpupid_xchg_last(&folio->page, -1);
cpupid = folio_xchg_last_cpupid(folio, -1);
/*
* For memory tiering mode, when migrate between slow and fast
* memory node, reset cpupid, because that is used to record
* page access time in slow memory node.
*/
if (sysctl_numa_balancing_mode & NUMA_BALANCING_MEMORY_TIERING) {
bool f_toptier = node_is_toptier(page_to_nid(&folio->page));
bool t_toptier = node_is_toptier(page_to_nid(&newfolio->page));
bool f_toptier = node_is_toptier(folio_nid(folio));
bool t_toptier = node_is_toptier(folio_nid(newfolio));
if (f_toptier != t_toptier)
cpupid = -1;
}
page_cpupid_xchg_last(&newfolio->page, cpupid);
folio_xchg_last_cpupid(newfolio, cpupid);
folio_migrate_ksm(newfolio, folio);
/*
......
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