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-rw-r--r--arch/s390/mm/cmm.c82
1 files changed, 29 insertions, 53 deletions
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index c17352634a46..fb584aa5c2c6 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -1,11 +1,9 @@
/*
- * arch/s390/mm/cmm.c
+ * Collaborative memory management interface.
*
- * S390 version
- * Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
+ * Copyright IBM Corp 2003,2010
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>,
*
- * Collaborative memory management interface.
*/
#include <linux/errno.h>
@@ -20,9 +18,9 @@
#include <linux/kthread.h>
#include <linux/oom.h>
#include <linux/suspend.h>
+#include <linux/uaccess.h>
#include <asm/pgalloc.h>
-#include <asm/uaccess.h>
#include <asm/diag.h>
static char *sender = "VMRMSVM";
@@ -59,8 +57,8 @@ static DEFINE_TIMER(cmm_timer, NULL, 0, 0);
static void cmm_timer_fn(unsigned long);
static void cmm_set_timer(void);
-static long
-cmm_alloc_pages(long nr, long *counter, struct cmm_page_array **list)
+static long cmm_alloc_pages(long nr, long *counter,
+ struct cmm_page_array **list)
{
struct cmm_page_array *pa, *npa;
unsigned long addr;
@@ -99,8 +97,7 @@ cmm_alloc_pages(long nr, long *counter, struct cmm_page_array **list)
return nr;
}
-static long
-cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
+static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
{
struct cmm_page_array *pa;
unsigned long addr;
@@ -140,11 +137,10 @@ static int cmm_oom_notify(struct notifier_block *self,
}
static struct notifier_block cmm_oom_nb = {
- .notifier_call = cmm_oom_notify
+ .notifier_call = cmm_oom_notify,
};
-static int
-cmm_thread(void *dummy)
+static int cmm_thread(void *dummy)
{
int rc;
@@ -170,7 +166,7 @@ cmm_thread(void *dummy)
cmm_timed_pages_target = cmm_timed_pages;
} else if (cmm_timed_pages_target < cmm_timed_pages) {
cmm_free_pages(1, &cmm_timed_pages,
- &cmm_timed_page_list);
+ &cmm_timed_page_list);
}
if (cmm_timed_pages > 0 && !timer_pending(&cmm_timer))
cmm_set_timer();
@@ -178,14 +174,12 @@ cmm_thread(void *dummy)
return 0;
}
-static void
-cmm_kick_thread(void)
+static void cmm_kick_thread(void)
{
wake_up(&cmm_thread_wait);
}
-static void
-cmm_set_timer(void)
+static void cmm_set_timer(void)
{
if (cmm_timed_pages_target <= 0 || cmm_timeout_seconds <= 0) {
if (timer_pending(&cmm_timer))
@@ -202,8 +196,7 @@ cmm_set_timer(void)
add_timer(&cmm_timer);
}
-static void
-cmm_timer_fn(unsigned long ignored)
+static void cmm_timer_fn(unsigned long ignored)
{
long nr;
@@ -216,46 +209,41 @@ cmm_timer_fn(unsigned long ignored)
cmm_set_timer();
}
-void
-cmm_set_pages(long nr)
+static void cmm_set_pages(long nr)
{
cmm_pages_target = nr;
cmm_kick_thread();
}
-long
-cmm_get_pages(void)
+static long cmm_get_pages(void)
{
return cmm_pages;
}
-void
-cmm_add_timed_pages(long nr)
+static void cmm_add_timed_pages(long nr)
{
cmm_timed_pages_target += nr;
cmm_kick_thread();
}
-long
-cmm_get_timed_pages(void)
+static long cmm_get_timed_pages(void)
{
return cmm_timed_pages;
}
-void
-cmm_set_timeout(long nr, long seconds)
+static void cmm_set_timeout(long nr, long seconds)
{
cmm_timeout_pages = nr;
cmm_timeout_seconds = seconds;
cmm_set_timer();
}
-static int
-cmm_skip_blanks(char *cp, char **endp)
+static int cmm_skip_blanks(char *cp, char **endp)
{
char *str;
- for (str = cp; *str == ' ' || *str == '\t'; str++);
+ for (str = cp; *str == ' ' || *str == '\t'; str++)
+ ;
*endp = str;
return str != cp;
}
@@ -264,9 +252,8 @@ cmm_skip_blanks(char *cp, char **endp)
static struct ctl_table cmm_table[];
-static int
-cmm_pages_handler(ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+static int cmm_pages_handler(ctl_table *ctl, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
{
char buf[16], *p;
long nr;
@@ -305,9 +292,8 @@ cmm_pages_handler(ctl_table *ctl, int write,
return 0;
}
-static int
-cmm_timeout_handler(ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+static int cmm_timeout_handler(ctl_table *ctl, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
{
char buf[64], *p;
long nr, seconds;
@@ -374,8 +360,7 @@ static struct ctl_table cmm_dir_table[] = {
#ifdef CONFIG_CMM_IUCV
#define SMSG_PREFIX "CMM"
-static void
-cmm_smsg_target(const char *from, char *msg)
+static void cmm_smsg_target(const char *from, char *msg)
{
long nr, seconds;
@@ -445,8 +430,7 @@ static struct notifier_block cmm_power_notifier = {
.notifier_call = cmm_power_event,
};
-static int
-cmm_init (void)
+static int cmm_init(void)
{
int rc = -ENOMEM;
@@ -488,9 +472,9 @@ out_sysctl:
del_timer_sync(&cmm_timer);
return rc;
}
+module_init(cmm_init);
-static void
-cmm_exit(void)
+static void cmm_exit(void)
{
#ifdef CONFIG_CMM_PROC
unregister_sysctl_table(cmm_sysctl_header);
@@ -505,14 +489,6 @@ cmm_exit(void)
cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list);
cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list);
}
-
-module_init(cmm_init);
module_exit(cmm_exit);
-EXPORT_SYMBOL(cmm_set_pages);
-EXPORT_SYMBOL(cmm_get_pages);
-EXPORT_SYMBOL(cmm_add_timed_pages);
-EXPORT_SYMBOL(cmm_get_timed_pages);
-EXPORT_SYMBOL(cmm_set_timeout);
-
MODULE_LICENSE("GPL");
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