panic if loadmem is called >once

rumpkernel · Jun 19, 2015 · 68a211e · 68a211e
1 parent 536a95c
commit 68a211e
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/platform/hw/pgalloc.c b/platform/hw/pgalloc.c
@@ -192,11 +192,16 @@ print_chunks(void *start, int nr_pages)
 void
 bmk_pgalloc_loadmem(unsigned long min, unsigned long max)
 {
+	static int called;
 	unsigned long range, bitmap_size;
 	chunk_head_t *ch;
 	chunk_tail_t *ct;
 	int i;
 
+	if (called)
+		bmk_platform_halt("bmk_pgalloc_loadmem called more than once");
+	called = 1;
+
 	bmk_assert(max > min);
 
 	for (i = 0; i < FREELIST_SIZE; i++) {