Sprinkle madvise calls to hint about how files should be paged in

2026-10-05 18:05:42 +02:00 · 2016-04-04 16:03:13 -07:00
parent 2b0ac890c5
commit b1d3849889
2 changed files with 64 additions and 30 deletions
@@ -1092,6 +1092,8 @@ void *run_thread(void *vargs) {
 			perror("mmap geom");
 			exit(EXIT_FAILURE);
 		}
+		madvise(geom, arg->geom_size[j], MADV_SEQUENTIAL);
+		madvise(geom, arg->geom_size[j], MADV_WILLNEED);

 		char *geomstart = geom;
 		char *end = geom + arg->geom_size[j];