linux-kernel - [PATCH] RAS/CEC: remove unused del_lru

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Date:   Sat, 3 Jun 2023 22:29:51 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <tony.luck@...el.com>, <bp@...en8.de>
CC:     <linux-edac@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH] RAS/CEC: remove unused del_lru_elem()

The function del_lru_elem() is not used. Remove it.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 drivers/ras/cec.c | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 321af498ee11..fa2fa596219c 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -261,25 +261,6 @@ static u64 del_lru_elem_unlocked(struct ce_array *ca)
 	return PFN(ca->array[min_idx]);
 }
 
-/*
- * We return the 0th pfn in the error case under the assumption that it cannot
- * be poisoned and excessive CEs in there are a serious deal anyway.
- */
-static u64 __maybe_unused del_lru_elem(void)
-{
-	struct ce_array *ca = &ce_arr;
-	u64 pfn;
-
-	if (!ca->n)
-		return 0;
-
-	mutex_lock(&ce_mutex);
-	pfn = del_lru_elem_unlocked(ca);
-	mutex_unlock(&ce_mutex);
-
-	return pfn;
-}
-
 static bool sanity_check(struct ce_array *ca)
 {
 	bool ret = false;
-- 
2.27.0