mm: remove page_cpupid_last()

Since all calls use folio_last_cpupid(), remove page_cpupid_last().

Link: https://lkml.kernel.org/r/20231018140806.2783514-7-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng 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: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0c4ff852930b1b365bc49a1aa3b8661e4497345a..f8b7a18257205f5f90f99413858a1505e9f9a7fe 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1702,18 +1702,18 @@ static inline int page_cpupid_xchg_last(struct page *page, int cpupid)
        return xchg(&page->_last_cpupid, cpupid & LAST_CPUPID_MASK);
 }
 
-static inline int page_cpupid_last(struct page *page)
+static inline int folio_last_cpupid(struct folio *folio)
 {
-       return page->_last_cpupid;
+       return folio->_last_cpupid;
 }
 static inline void page_cpupid_reset_last(struct page *page)
 {
        page->_last_cpupid = -1 & LAST_CPUPID_MASK;
 }
 #else
-static inline int page_cpupid_last(struct page *page)
+static inline int folio_last_cpupid(struct folio *folio)
 {
-       return (page->flags >> LAST_CPUPID_PGSHIFT) & LAST_CPUPID_MASK;
+       return (folio->flags >> LAST_CPUPID_PGSHIFT) & LAST_CPUPID_MASK;
 }
 
 extern int page_cpupid_xchg_last(struct page *page, int cpupid);
@@ -1752,9 +1752,9 @@ static inline int xchg_page_access_time(struct page *page, int time)
        return 0;
 }
 
-static inline int page_cpupid_last(struct page *page)
+static inline int folio_last_cpupid(struct folio *folio)
 {
-       return page_to_nid(page); /* XXX */
+       return folio_nid(folio); /* XXX */
 }
 
 static inline int cpupid_to_nid(int cpupid)
@@ -1796,11 +1796,6 @@ static inline void vma_set_access_pid_bit(struct vm_area_struct *vma)
 }
 #endif /* CONFIG_NUMA_BALANCING */
 
-static inline int folio_last_cpupid(struct folio *folio)
-{
-       return page_cpupid_last(&folio->page);
-}
-
 #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
 
 /*