[PATCH -next v2 12/19] mm: add folio_xchg_last_cpupid()

From: Kefeng Wang
Date: Fri Oct 13 2023 - 04:59:07 EST


Add folio_xchg_last_cpupid() wrapper, which is required to convert
page_cpupid_xchg_last() to folio vertion later in the series.

Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
include/linux/mm.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 8a2ff345338b..8229137e093b 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1795,6 +1795,11 @@ static inline void vma_set_access_pid_bit(struct vm_area_struct *vma)
}
#endif /* CONFIG_NUMA_BALANCING */

+static inline int folio_xchg_last_cpupid(struct folio *folio, int cpupid)
+{
+ return page_cpupid_xchg_last(&folio->page, cpupid);
+}
+
#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)

/*
--
2.27.0