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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-05-26 17:27:10 -0400
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-05-26 17:27:10 -0400
commitdb705e831ae33fbbeeacf4bb527e0b17de3d6e68 (patch)
treee188a9fd0014f31862bea25427930784b611b295 /arch
parenta23ed009a726feeafdbabeaf5f0bde1a3f04d121 (diff)
[S390] cmm: remove superfluous EXPORT_SYMBOLs plus cleanups
Remove superfluous EXPORT_SYMBOLS and do coding style cleanup while being at it. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
-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 @@
1/* 1/*
2 * arch/s390/mm/cmm.c 2 * Collaborative memory management interface.
3 * 3 *
4 * S390 version 4 * Copyright IBM Corp 2003,2010
5 * Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation 5 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>,
6 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
7 * 6 *
8 * Collaborative memory management interface.
9 */ 7 */
10 8
11#include <linux/errno.h> 9#include <linux/errno.h>
@@ -20,9 +18,9 @@
20#include <linux/kthread.h> 18#include <linux/kthread.h>
21#include <linux/oom.h> 19#include <linux/oom.h>
22#include <linux/suspend.h> 20#include <linux/suspend.h>
21#include <linux/uaccess.h>
23 22
24#include <asm/pgalloc.h> 23#include <asm/pgalloc.h>
25#include <asm/uaccess.h>
26#include <asm/diag.h> 24#include <asm/diag.h>
27 25
28static char *sender = "VMRMSVM"; 26static char *sender = "VMRMSVM";
@@ -59,8 +57,8 @@ static DEFINE_TIMER(cmm_timer, NULL, 0, 0);
59static void cmm_timer_fn(unsigned long); 57static void cmm_timer_fn(unsigned long);
60static void cmm_set_timer(void); 58static void cmm_set_timer(void);
61 59
62static long 60static long cmm_alloc_pages(long nr, long *counter,
63cmm_alloc_pages(long nr, long *counter, struct cmm_page_array **list) 61 struct cmm_page_array **list)
64{ 62{
65 struct cmm_page_array *pa, *npa; 63 struct cmm_page_array *pa, *npa;
66 unsigned long addr; 64 unsigned long addr;
@@ -99,8 +97,7 @@ cmm_alloc_pages(long nr, long *counter, struct cmm_page_array **list)
99 return nr; 97 return nr;
100} 98}
101 99
102static long 100static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
103cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
104{ 101{
105 struct cmm_page_array *pa; 102 struct cmm_page_array *pa;
106 unsigned long addr; 103 unsigned long addr;
@@ -140,11 +137,10 @@ static int cmm_oom_notify(struct notifier_block *self,
140} 137}
141 138
142static struct notifier_block cmm_oom_nb = { 139static struct notifier_block cmm_oom_nb = {
143 .notifier_call = cmm_oom_notify 140 .notifier_call = cmm_oom_notify,
144}; 141};
145 142
146static int 143static int cmm_thread(void *dummy)
147cmm_thread(void *dummy)
148{ 144{
149 int rc; 145 int rc;
150 146
@@ -170,7 +166,7 @@ cmm_thread(void *dummy)
170 cmm_timed_pages_target = cmm_timed_pages; 166 cmm_timed_pages_target = cmm_timed_pages;
171 } else if (cmm_timed_pages_target < cmm_timed_pages) { 167 } else if (cmm_timed_pages_target < cmm_timed_pages) {
172 cmm_free_pages(1, &cmm_timed_pages, 168 cmm_free_pages(1, &cmm_timed_pages,
173 &cmm_timed_page_list); 169 &cmm_timed_page_list);
174 } 170 }
175 if (cmm_timed_pages > 0 && !timer_pending(&cmm_timer)) 171 if (cmm_timed_pages > 0 && !timer_pending(&cmm_timer))
176 cmm_set_timer(); 172 cmm_set_timer();
@@ -178,14 +174,12 @@ cmm_thread(void *dummy)
178 return 0; 174 return 0;
179} 175}
180 176
181static void 177static void cmm_kick_thread(void)
182cmm_kick_thread(void)
183{ 178{
184 wake_up(&cmm_thread_wait); 179 wake_up(&cmm_thread_wait);
185} 180}
186 181
187static void 182static void cmm_set_timer(void)
188cmm_set_timer(void)
189{ 183{
190 if (cmm_timed_pages_target <= 0 || cmm_timeout_seconds <= 0) { 184 if (cmm_timed_pages_target <= 0 || cmm_timeout_seconds <= 0) {
191 if (timer_pending(&cmm_timer)) 185 if (timer_pending(&cmm_timer))
@@ -202,8 +196,7 @@ cmm_set_timer(void)
202 add_timer(&cmm_timer); 196 add_timer(&cmm_timer);
203} 197}
204 198
205static void 199static void cmm_timer_fn(unsigned long ignored)
206cmm_timer_fn(unsigned long ignored)
207{ 200{
208 long nr; 201 long nr;
209 202
@@ -216,46 +209,41 @@ cmm_timer_fn(unsigned long ignored)
216 cmm_set_timer(); 209 cmm_set_timer();
217} 210}
218 211
219void 212static void cmm_set_pages(long nr)
220cmm_set_pages(long nr)
221{ 213{
222 cmm_pages_target = nr; 214 cmm_pages_target = nr;
223 cmm_kick_thread(); 215 cmm_kick_thread();
224} 216}
225 217
226long 218static long cmm_get_pages(void)
227cmm_get_pages(void)
228{ 219{
229 return cmm_pages; 220 return cmm_pages;
230} 221}
231 222
232void 223static void cmm_add_timed_pages(long nr)
233cmm_add_timed_pages(long nr)
234{ 224{
235 cmm_timed_pages_target += nr; 225 cmm_timed_pages_target += nr;
236 cmm_kick_thread(); 226 cmm_kick_thread();
237} 227}
238 228
239long 229static long cmm_get_timed_pages(void)
240cmm_get_timed_pages(void)
241{ 230{
242 return cmm_timed_pages; 231 return cmm_timed_pages;
243} 232}
244 233
245void 234static void cmm_set_timeout(long nr, long seconds)
246cmm_set_timeout(long nr, long seconds)
247{ 235{
248 cmm_timeout_pages = nr; 236 cmm_timeout_pages = nr;
249 cmm_timeout_seconds = seconds; 237 cmm_timeout_seconds = seconds;
250 cmm_set_timer(); 238 cmm_set_timer();
251} 239}
252 240
253static int 241static int cmm_skip_blanks(char *cp, char **endp)
254cmm_skip_blanks(char *cp, char **endp)
255{ 242{
256 char *str; 243 char *str;
257 244
258 for (str = cp; *str == ' ' || *str == '\t'; str++); 245 for (str = cp; *str == ' ' || *str == '\t'; str++)
246 ;
259 *endp = str; 247 *endp = str;
260 return str != cp; 248 return str != cp;
261} 249}
@@ -264,9 +252,8 @@ cmm_skip_blanks(char *cp, char **endp)
264 252
265static struct ctl_table cmm_table[]; 253static struct ctl_table cmm_table[];
266 254
267static int 255static int cmm_pages_handler(ctl_table *ctl, int write, void __user *buffer,
268cmm_pages_handler(ctl_table *ctl, int write, 256 size_t *lenp, loff_t *ppos)
269 void __user *buffer, size_t *lenp, loff_t *ppos)
270{ 257{
271 char buf[16], *p; 258 char buf[16], *p;
272 long nr; 259 long nr;
@@ -305,9 +292,8 @@ cmm_pages_handler(ctl_table *ctl, int write,
305 return 0; 292 return 0;
306} 293}
307 294
308static int 295static int cmm_timeout_handler(ctl_table *ctl, int write, void __user *buffer,
309cmm_timeout_handler(ctl_table *ctl, int write, 296 size_t *lenp, loff_t *ppos)
310 void __user *buffer, size_t *lenp, loff_t *ppos)
311{ 297{
312 char buf[64], *p; 298 char buf[64], *p;
313 long nr, seconds; 299 long nr, seconds;
@@ -374,8 +360,7 @@ static struct ctl_table cmm_dir_table[] = {
374 360
375#ifdef CONFIG_CMM_IUCV 361#ifdef CONFIG_CMM_IUCV
376#define SMSG_PREFIX "CMM" 362#define SMSG_PREFIX "CMM"
377static void 363static void cmm_smsg_target(const char *from, char *msg)
378cmm_smsg_target(const char *from, char *msg)
379{ 364{
380 long nr, seconds; 365 long nr, seconds;
381 366
@@ -445,8 +430,7 @@ static struct notifier_block cmm_power_notifier = {
445 .notifier_call = cmm_power_event, 430 .notifier_call = cmm_power_event,
446}; 431};
447 432
448static int 433static int cmm_init(void)
449cmm_init (void)
450{ 434{
451 int rc = -ENOMEM; 435 int rc = -ENOMEM;
452 436
@@ -488,9 +472,9 @@ out_sysctl:
488 del_timer_sync(&cmm_timer); 472 del_timer_sync(&cmm_timer);
489 return rc; 473 return rc;
490} 474}
475module_init(cmm_init);
491 476
492static void 477static void cmm_exit(void)
493cmm_exit(void)
494{ 478{
495#ifdef CONFIG_CMM_PROC 479#ifdef CONFIG_CMM_PROC
496 unregister_sysctl_table(cmm_sysctl_header); 480 unregister_sysctl_table(cmm_sysctl_header);
@@ -505,14 +489,6 @@ cmm_exit(void)
505 cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list); 489 cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list);
506 cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list); 490 cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list);
507} 491}
508
509module_init(cmm_init);
510module_exit(cmm_exit); 492module_exit(cmm_exit);
511 493
512EXPORT_SYMBOL(cmm_set_pages);
513EXPORT_SYMBOL(cmm_get_pages);
514EXPORT_SYMBOL(cmm_add_timed_pages);
515EXPORT_SYMBOL(cmm_get_timed_pages);
516EXPORT_SYMBOL(cmm_set_timeout);
517
518MODULE_LICENSE("GPL"); 494MODULE_LICENSE("GPL");