kmalloc, kfree, etc => malloc, free, etc

[ust.git] / libust / marker.c

diff --git a/libust/marker.c b/libust/marker.c
index b1e457e7fbb9c05f12e6829bf4380afee3f9174e..86b06cffdbc37a0d4e17ad9ec2be8a87d89b8bab 100644 (file)
--- a/libust/marker.c
+++ b/libust/marker.c
@@ -15,27 +15,15 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  */
-//ust// #include <linux/module.h>
-//ust// #include <linux/mutex.h>
-//ust// #include <linux/types.h>
-//#include "jhash.h"
-//#include "list.h"
-//#include "rcupdate.h"
-//ust// #include <linux/marker.h>
-#include <errno.h>
-//ust// #include <linux/slab.h>
-//ust// #include <linux/immediate.h>
-//ust// #include <linux/sched.h>
-//ust// #include <linux/uaccess.h>
-//ust// #include <linux/user_marker.h>
-//ust// #include <linux/ltt-tracer.h>
 
+#include <stdlib.h>
+#include <errno.h>
 #define _LGPL_SOURCE
 #include <urcu-bp.h>
 
 #include <ust/kernelcompat.h>
-
 #include <ust/marker.h>
+
 #include "usterr.h"
 #include "channels.h"
 #include "tracercore.h"
@@ -248,7 +236,7 @@ static void free_old_closure(struct rcu_head *head)
 {
        struct marker_entry *entry = container_of(head,
                struct marker_entry, rcu);
-       kfree(entry->oldptr);
+       free(entry->oldptr);
        /* Make sure we free the data before setting the pending flag to 0 */
        smp_wmb();
        entry->rcu_pending = 0;
@@ -310,8 +298,7 @@ marker_entry_add_probe(struct marker_entry *entry,
                                return ERR_PTR(-EBUSY);
        }
        /* + 2 : one for new probe, one for NULL func */
-       new = kzalloc((nr_probes + 2) * sizeof(struct marker_probe_closure),
-                       GFP_KERNEL);
+       new = zmalloc((nr_probes + 2) * sizeof(struct marker_probe_closure));
        if (new == NULL)
                return ERR_PTR(-ENOMEM);
        if (!old)
@@ -376,8 +363,7 @@ marker_entry_remove_probe(struct marker_entry *entry,
                int j = 0;
                /* N -> M, (N > 1, M > 1) */
                /* + 1 for NULL */
-               new = kzalloc((nr_probes - nr_del + 1)
-                       * sizeof(struct marker_probe_closure), GFP_KERNEL);
+               new = zmalloc((nr_probes - nr_del + 1) * sizeof(struct marker_probe_closure));
                if (new == NULL)
                        return ERR_PTR(-ENOMEM);
                for (i = 0; old[i].func; i++)
@@ -441,12 +427,11 @@ static struct marker_entry *add_marker(const char *channel, const char *name,
                }
        }
        /*
-        * Using kmalloc here to allocate a variable length element. Could
+        * Using malloc here to allocate a variable length element. Could
         * cause some memory fragmentation if overused.
         */
-       e = kmalloc(sizeof(struct marker_entry)
-                   + channel_len + name_len + format_len,
-                   GFP_KERNEL);
+       e = malloc(sizeof(struct marker_entry)
+                   + channel_len + name_len + format_len);
        if (!e)
                return ERR_PTR(-ENOMEM);
        memcpy(e->channel, channel, channel_len);
@@ -506,13 +491,13 @@ static int remove_marker(const char *channel, const char *name)
                return -EBUSY;
        hlist_del(&e->hlist);
        if (e->format_allocated)
-               kfree(e->format);
+               free(e->format);
        ret = ltt_channels_unregister(e->channel);
        WARN_ON(ret);
        /* Make sure the call_rcu has been executed */
 //ust//        if (e->rcu_pending)
 //ust//                rcu_barrier_sched();
-       kfree(e);
+       free(e);
        return 0;
 }
 
@@ -521,7 +506,7 @@ static int remove_marker(const char *channel, const char *name)
  */
 static int marker_set_format(struct marker_entry *entry, const char *format)
 {
-       entry->format = kstrdup(format, GFP_KERNEL);
+       entry->format = strdup(format);
        if (!entry->format)
                return -ENOMEM;
        entry->format_allocated = 1;
@@ -971,7 +956,7 @@ int marker_probe_unregister_private_data(marker_probe_func *probe,
        struct marker_entry *entry;
        int ret = 0;
        struct marker_probe_closure *old;
-       const char *channel = NULL, *name = NULL;
+       char *channel = NULL, *name = NULL;
 
        mutex_lock(&markers_mutex);
        entry = get_marker_from_private_data(probe, probe_private);
@@ -982,8 +967,8 @@ int marker_probe_unregister_private_data(marker_probe_func *probe,
 //ust//        if (entry->rcu_pending)
 //ust//                rcu_barrier_sched();
        old = marker_entry_remove_probe(entry, NULL, probe_private);
-       channel = kstrdup(entry->channel, GFP_KERNEL);
-       name = kstrdup(entry->name, GFP_KERNEL);
+       channel = strdup(entry->channel);
+       name = strdup(entry->name);
        mutex_unlock(&markers_mutex);
 
        marker_update_probes();
@@ -1004,8 +989,8 @@ int marker_probe_unregister_private_data(marker_probe_func *probe,
        remove_marker(channel, name);
 end:
        mutex_unlock(&markers_mutex);
-       kfree(channel);
-       kfree(name);
+       free(channel);
+       free(name);
        return ret;
 }
 //ust// EXPORT_SYMBOL_GPL(marker_probe_unregister_private_data);
@@ -1200,7 +1185,7 @@ static void free_user_marker(char __user *state, struct hlist_head *head)
        hlist_for_each_entry_safe(umark, pos, n, head, hlist) {
                if (umark->state == state) {
                        hlist_del(&umark->hlist);
-                       kfree(umark);
+                       free(umark);
                }
        }
 }
@@ -1264,7 +1249,7 @@ void exit_user_markers(struct task_struct *p)
                mutex_lock(&p->user_markers_mutex);
                hlist_for_each_entry_safe(umark, pos, n, &p->user_markers,
                        hlist)
-                   kfree(umark);
+                   free(umark);
                INIT_HLIST_HEAD(&p->user_markers);
                p->user_markers_sequence++;
                mutex_unlock(&p->user_markers_mutex);