linux-kernel - [PATCH 14/18] mm: remove mm_counter

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Date:   Fri, 3 Nov 2023 22:01:15 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        Matthew Wilcox <willy@...radead.org>,
        David Hildenbrand <david@...hat.com>,
        <linux-s390@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH 14/18] mm: remove mm_counter_file()

Since no one call mm_counter_file(), remove it.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 include/linux/mm.h | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index f5f76504b212..9353c5709c45 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2583,6 +2583,7 @@ static inline void dec_mm_counter(struct mm_struct *mm, int member)
 	mm_trace_rss_stat(mm, member);
 }
 
+/* Optimized variant when folio is already known not to be anon */
 static inline int mm_counter_file_folio(struct folio *folio)
 {
 	if (folio_test_swapbacked(folio))
@@ -2590,12 +2591,6 @@ static inline int mm_counter_file_folio(struct folio *folio)
 	return MM_FILEPAGES;
 }
 
-/* Optimized variant when page is already known not to be PageAnon */
-static inline int mm_counter_file(struct page *page)
-{
-	return mm_counter_file_folio(page_folio(page));
-}
-
 static inline int mm_counter_folio(struct folio *folio)
 {
 	if (folio_test_anon(folio))
-- 
2.27.0