X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.c;h=f0665e072ccbd5f6ac3f4dcd52a5edfe015cbf31;hp=ff77c91bb77f8968b4cf0807635b53256c504e0f;hb=0fe2187702d5d65e2b0f47e23824f41572eb4446;hpb=1ca957384a2050e426f8f6ef8a3e493d7ceeb9ce

diff --git a/fio.c b/fio.c
index ff77c91b..f0665e07 100644
--- a/fio.c
+++ b/fio.c
@@ -733,7 +733,7 @@ static int init_io_u(struct thread_data *td)
 {
 	struct io_u *io_u;
 	unsigned int max_bs;
-	int i, max_units;
+	int cl_align, i, max_units;
 	char *p;
 
 	max_units = td->o.iodepth;
@@ -761,10 +761,20 @@ static int init_io_u(struct thread_data *td)
 	else
 		p = td->orig_buffer;
 
+	cl_align = os_cache_line_size();
+
 	for (i = 0; i < max_units; i++) {
+		void *ptr;
+
 		if (td->terminate)
 			return 1;
-		io_u = malloc(sizeof(*io_u));
+
+		if (posix_memalign(&ptr, cl_align, sizeof(*io_u))) {
+			log_err("fio: posix_memalign=%s\n", strerror(errno));
+			break;
+		}
+
+		io_u = ptr;
 		memset(io_u, 0, sizeof(*io_u));
 		INIT_FLIST_HEAD(&io_u->list);