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-rw-r--r--kernel/res_counter.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/kernel/res_counter.c b/kernel/res_counter.c
index ff55247e7049..4aa8a305aede 100644
--- a/kernel/res_counter.c
+++ b/kernel/res_counter.c
@@ -17,8 +17,8 @@
17void res_counter_init(struct res_counter *counter, struct res_counter *parent) 17void res_counter_init(struct res_counter *counter, struct res_counter *parent)
18{ 18{
19 spin_lock_init(&counter->lock); 19 spin_lock_init(&counter->lock);
20 counter->limit = RESOURCE_MAX; 20 counter->limit = RES_COUNTER_MAX;
21 counter->soft_limit = RESOURCE_MAX; 21 counter->soft_limit = RES_COUNTER_MAX;
22 counter->parent = parent; 22 counter->parent = parent;
23} 23}
24 24
@@ -178,23 +178,30 @@ u64 res_counter_read_u64(struct res_counter *counter, int member)
178#endif 178#endif
179 179
180int res_counter_memparse_write_strategy(const char *buf, 180int res_counter_memparse_write_strategy(const char *buf,
181 unsigned long long *res) 181 unsigned long long *resp)
182{ 182{
183 char *end; 183 char *end;
184 unsigned long long res;
184 185
185 /* return RESOURCE_MAX(unlimited) if "-1" is specified */ 186 /* return RES_COUNTER_MAX(unlimited) if "-1" is specified */
186 if (*buf == '-') { 187 if (*buf == '-') {
187 *res = simple_strtoull(buf + 1, &end, 10); 188 res = simple_strtoull(buf + 1, &end, 10);
188 if (*res != 1 || *end != '\0') 189 if (res != 1 || *end != '\0')
189 return -EINVAL; 190 return -EINVAL;
190 *res = RESOURCE_MAX; 191 *resp = RES_COUNTER_MAX;
191 return 0; 192 return 0;
192 } 193 }
193 194
194 *res = memparse(buf, &end); 195 res = memparse(buf, &end);
195 if (*end != '\0') 196 if (*end != '\0')
196 return -EINVAL; 197 return -EINVAL;
197 198
198 *res = PAGE_ALIGN(*res); 199 if (PAGE_ALIGN(res) >= res)
200 res = PAGE_ALIGN(res);
201 else
202 res = RES_COUNTER_MAX;
203
204 *resp = res;
205
199 return 0; 206 return 0;
200} 207}