linux-kernel - [PATCH] pid: kill pidhash_size in pidhash

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Date:   Tue, 18 Jul 2017 22:47:47 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        <linux-kernel@...r.kernel.org>
CC:     Pavel Tatashin <pasha.tatashin@...cle.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH] pid: kill pidhash_size in pidhash_init

After commit 3d375d78593c ("mm: update callers to use HASH_ZERO flag"),
drop unused pidhash_size in pidhash_init().

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 kernel/pid.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/kernel/pid.c b/kernel/pid.c
index 731c4e5..c69c30d 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -575,13 +575,10 @@ struct pid *find_ge_pid(int nr, struct pid_namespace *ns)
  */
 void __init pidhash_init(void)
 {
-	unsigned int pidhash_size;
-
 	pid_hash = alloc_large_system_hash("PID", sizeof(*pid_hash), 0, 18,
 					   HASH_EARLY | HASH_SMALL | HASH_ZERO,
 					   &pidhash_shift, NULL,
 					   0, 4096);
-	pidhash_size = 1U << pidhash_shift;
 }
 
 void __init pidmap_init(void)
-- 
1.8.3.1