OOM fixes
Hit this with many threads running.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/init.c b/init.c
index 62080f7..bca8424 100644
--- a/init.c
+++ b/init.c
@@ -997,6 +997,10 @@
blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs;
num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP;
f->file_map = malloc(num_maps * sizeof(long));
+ if (!f->file_map) {
+ log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n");
+ return 1;
+ }
f->num_maps = num_maps;
memset(f->file_map, 0, num_maps * sizeof(long));
}