From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/fs/fscache/main.c | 16 ++--------------
1 files changed, 2 insertions(+), 14 deletions(-)
diff --git a/kernel/fs/fscache/main.c b/kernel/fs/fscache/main.c
index 95a0798..85f8cf3 100644
--- a/kernel/fs/fscache/main.c
+++ b/kernel/fs/fscache/main.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* General filesystem local caching manager
*
* Copyright (C) 2004-2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define FSCACHE_DEBUG_LEVEL CACHE
@@ -45,8 +41,6 @@
struct workqueue_struct *fscache_object_wq;
struct workqueue_struct *fscache_op_wq;
-DEFINE_PER_CPU(wait_queue_head_t, fscache_object_cong_wait);
-
/* these values serve as lower bounds, will be adjusted in fscache_init() */
static unsigned fscache_object_max_active = 4;
static unsigned fscache_op_max_active = 2;
@@ -55,8 +49,7 @@
static struct ctl_table_header *fscache_sysctl_header;
static int fscache_max_active_sysctl(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct workqueue_struct **wqp = table->extra1;
unsigned int *datap = table->data;
@@ -143,7 +136,6 @@
static int __init fscache_init(void)
{
unsigned int nr_cpus = num_possible_cpus();
- unsigned int cpu;
int ret;
fscache_object_max_active =
@@ -166,9 +158,6 @@
if (!fscache_op_wq)
goto error_op_wq;
- for_each_possible_cpu(cpu)
- init_waitqueue_head(&per_cpu(fscache_object_cong_wait, cpu));
-
ret = fscache_proc_init();
if (ret < 0)
goto error_proc;
@@ -188,7 +177,6 @@
ret = -ENOMEM;
goto error_cookie_jar;
}
- fscache_cookie_init();
fscache_root = kobject_create_and_add("fscache", kernel_kobj);
if (!fscache_root)
--
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