Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) client-ip=23.128.96.37;
From:   Kairui Song <ryncsn@gmail.com>
To:     linux-mm@kvack.org
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        "Huang, Ying" <ying.huang@intel.com>,
        David Hildenbrand <david@redhat.com>,
        Hugh Dickins <hughd@google.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Matthew Wilcox <willy@infradead.org>,
        Michal Hocko <mhocko@suse.com>, linux-kernel@vger.kernel.org,
        Kairui Song <kasong@tencent.com>
Subject: [PATCH 07/24] mm/swap: move swap_count to header to be shared
Date:   Mon, 20 Nov 2023 03:47:23 +0800
Message-ID: <20231119194740.94101-8-ryncsn@gmail.com>
In-Reply-To: <20231119194740.94101-1-ryncsn@gmail.com>
References: <20231119194740.94101-1-ryncsn@gmail.com>
Reply-To: Kairui Song <kasong@tencent.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Kairui Song <kasong@tencent.com>

No feature change, prepare for later commits.

Signed-off-by: Kairui Song <kasong@tencent.com>
---
 mm/swap.h     | 5 +++++
 mm/swapfile.c | 5 -----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/swap.h b/mm/swap.h
index f82d43d7b52a..a9a654af791e 100644
--- a/mm/swap.h
+++ b/mm/swap.h
@@ -61,6 +61,11 @@ static inline unsigned int folio_swap_flags(struct folio *folio)
 {
 	return page_swap_info(&folio->page)->flags;
 }
+
+static inline unsigned char swap_count(unsigned char ent)
+{
+	return ent & ~SWAP_HAS_CACHE; /* may include COUNT_CONTINUED flag */
+}
 #else /* CONFIG_SWAP */
 struct swap_iocb;
 static inline void swap_readpage(struct page *page, bool do_poll,
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 0142bfc71b81..a8ae472ed2b6 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -114,11 +114,6 @@ static struct swap_info_struct *swap_type_to_swap_info(int type)
 	return READ_ONCE(swap_info[type]); /* rcu_dereference() */
 }
 
-static inline unsigned char swap_count(unsigned char ent)
-{
-	return ent & ~SWAP_HAS_CACHE;	/* may include COUNT_CONTINUED flag */
-}
-
 /* Reclaim the swap entry anyway if possible */
 #define TTRS_ANYWAY		0x1
 /*
-- 
2.42.0