diff options
| -rw-r--r-- | rts/linker/M32Alloc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/rts/linker/M32Alloc.c b/rts/linker/M32Alloc.c index 1a19df8471..ae4d1ae891 100644 --- a/rts/linker/M32Alloc.c +++ b/rts/linker/M32Alloc.c @@ -256,11 +256,12 @@ m32_alloc_page(void) m32_free_page_pool_size --; return page; } else { - struct m32_page_t *page = mmapForLinker(getPageSize(),MAP_ANONYMOUS,-1,0); - if (page > (struct m32_page_t *) 0xffffffff) { + const size_t map_sz = getPageSize(); + uint8_t *page = mmapForLinker(map_sz,MAP_ANONYMOUS,-1,0); + if (page + map_sz > (uint8_t *) 0xffffffff) { barf("m32_alloc_page: failed to get allocation in lower 32-bits"); } - return page; + return (struct m32_page_t *) page; } } |