[ltt-dev] [PATCH] Change malloc to zmalloc for libust
David Goulet
david.goulet at polymtl.ca
Tue Sep 7 09:03:41 EDT 2010
Signed-off-by: David Goulet <david.goulet at polymtl.ca>
---
libust/buffers.c | 4 ++--
libust/marker.c | 6 +++---
libust/tracectl.c | 4 ++--
libust/tracepoint.c | 8 ++++----
4 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/libust/buffers.c b/libust/buffers.c
index 5d9bb8e..374ec61 100644
--- a/libust/buffers.c
+++ b/libust/buffers.c
@@ -777,11 +777,11 @@ static int ust_buffers_create_channel(const char *trace_name, struct ust_trace *
ltt_chan->commit_count_mask = (~0UL >> ltt_chan->n_subbufs_order);
ltt_chan->n_cpus = get_n_cpus();
//ust// ltt_chan->buf = percpu_alloc_mask(sizeof(struct ltt_channel_buf_struct), GFP_KERNEL, cpu_possible_map);
- ltt_chan->buf = (void *) malloc(ltt_chan->n_cpus * sizeof(void *));
+ ltt_chan->buf = (void *) zmalloc(ltt_chan->n_cpus * sizeof(void *));
if(ltt_chan->buf == NULL) {
goto error;
}
- ltt_chan->buf_struct_shmids = (int *) malloc(ltt_chan->n_cpus * sizeof(int));
+ ltt_chan->buf_struct_shmids = (int *) zmalloc(ltt_chan->n_cpus * sizeof(int));
if(ltt_chan->buf_struct_shmids == NULL)
goto free_buf;
diff --git a/libust/marker.c b/libust/marker.c
index 19467d1..3351726 100644
--- a/libust/marker.c
+++ b/libust/marker.c
@@ -428,10 +428,10 @@ static struct marker_entry *add_marker(const char *channel, const char *name,
}
}
/*
- * Using malloc here to allocate a variable length element. Could
+ * Using zmalloc here to allocate a variable length element. Could
* cause some memory fragmentation if overused.
*/
- e = malloc(sizeof(struct marker_entry)
+ e = zmalloc(sizeof(struct marker_entry)
+ channel_len + name_len + format_len);
if (!e)
return ERR_PTR(-ENOMEM);
@@ -1363,7 +1363,7 @@ int marker_register_lib(struct marker *markers_start, int markers_count)
{
struct lib *pl;
- pl = (struct lib *) malloc(sizeof(struct lib));
+ pl = (struct lib *) zmalloc(sizeof(struct lib));
pl->markers_start = markers_start;
pl->markers_count = markers_count;
diff --git a/libust/tracectl.c b/libust/tracectl.c
index 8d57b8f..e64b26f 100644
--- a/libust/tracectl.c
+++ b/libust/tracectl.c
@@ -675,9 +675,9 @@ static int do_cmd_get_subbuffer(const char *recvbuf, struct ustcomm_source *src)
found = 1;
- bc = (struct blocked_consumer *) malloc(sizeof(struct blocked_consumer));
+ bc = (struct blocked_consumer *) zmalloc(sizeof(struct blocked_consumer));
if(bc == NULL) {
- ERR("malloc returned NULL");
+ ERR("zmalloc returned NULL");
goto unlock_traces;
}
bc->fd_consumer = src->fd;
diff --git a/libust/tracepoint.c b/libust/tracepoint.c
index 620a009..8783b53 100644
--- a/libust/tracepoint.c
+++ b/libust/tracepoint.c
@@ -74,7 +74,7 @@ struct tp_probes {
static inline void *allocate_probes(int count)
{
- struct tp_probes *p = malloc(count * sizeof(struct probe)
+ struct tp_probes *p = zmalloc(count * sizeof(void *)
+ sizeof(struct tp_probes));
return p == NULL ? NULL : p->probes;
}
@@ -225,10 +225,10 @@ static struct tracepoint_entry *add_tracepoint(const char *name)
}
}
/*
- * Using kmalloc here to allocate a variable length element. Could
+ * Using zmalloc here to allocate a variable length element. Could
* cause some memory fragmentation if overused.
*/
- e = malloc(sizeof(struct tracepoint_entry) + name_len);
+ e = zmalloc(sizeof(struct tracepoint_entry) + name_len);
if (!e)
return ERR_PTR(-ENOMEM);
memcpy(&e->name[0], name, name_len);
@@ -661,7 +661,7 @@ int tracepoint_register_lib(struct tracepoint *tracepoints_start, int tracepoint
{
struct tracepoint_lib *pl;
- pl = (struct tracepoint_lib *) malloc(sizeof(struct tracepoint_lib));
+ pl = (struct tracepoint_lib *) zmalloc(sizeof(struct tracepoint_lib));
pl->tracepoints_start = tracepoints_start;
pl->tracepoints_count = tracepoints_count;
--
1.7.2.2
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