X-Git-Url: http://git.lttng.org/?p=lttng-ust.git;a=blobdiff_plain;f=libringbuffer%2Fshm.c;h=909991ed27c6f1ada4a04426e396d232d126df8e;hp=10b3bcef110a979ce2169ccf10417e470e122ba9;hb=4d4838bad480d48424bddc686f5ad0089e28ac94;hpb=61e520fbc01329423ff3f80be7171eb48cabd085

diff --git a/libringbuffer/shm.c b/libringbuffer/shm.c
index 10b3bcef..909991ed 100644
--- a/libringbuffer/shm.c
+++ b/libringbuffer/shm.c
@@ -40,6 +40,7 @@
 #endif
 #include <helper.h>
 #include <ust-fd.h>
+#include "mmap.h"
 
 /*
  * Ensure we have the required amount of space available by writing 0
@@ -154,7 +155,7 @@ struct shm_object *_shm_object_table_alloc_shm(struct shm_object_table *table,
 
 	/* memory_map: mmap */
 	memory_map = mmap(NULL, memory_map_size, PROT_READ | PROT_WRITE,
-			  MAP_SHARED, shmfd, 0);
+			  MAP_SHARED | LTTNG_MAP_POPULATE, shmfd, 0);
 	if (memory_map == MAP_FAILED) {
 		PERROR("mmap");
 		goto error_mmap;
@@ -341,7 +342,7 @@ struct shm_object *shm_object_table_append_shm(struct shm_object_table *table,
 
 	/* memory_map: mmap */
 	memory_map = mmap(NULL, memory_map_size, PROT_READ | PROT_WRITE,
-			  MAP_SHARED, shm_fd, 0);
+			  MAP_SHARED | LTTNG_MAP_POPULATE, shm_fd, 0);
 	if (memory_map == MAP_FAILED) {
 		PERROR("mmap");
 		goto error_mmap;