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-rw-r--r--rts/linker/M32Alloc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/rts/linker/M32Alloc.c b/rts/linker/M32Alloc.c
index 6a2996d98f..52b182e54d 100644
--- a/rts/linker/M32Alloc.c
+++ b/rts/linker/M32Alloc.c
@@ -158,6 +158,9 @@ m32_allocator_init(void)
// fragment the memory.
size_t pgsz = getPageSize();
char* bigchunk = mmapForLinker(pgsz * M32_MAX_PAGES,MAP_ANONYMOUS,-1,0);
+ if (bigchunk == NULL)
+ barf("m32_allocator_init: Failed to map");
+
int i;
for (i=0; i<M32_MAX_PAGES; i++) {
alloc.pages[i].base_addr = bigchunk + i*pgsz;