diff options
| -rw-r--r-- | rts/linker/M32Alloc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/rts/linker/M32Alloc.c b/rts/linker/M32Alloc.c index e7c697bf60..cd8751b3b0 100644 --- a/rts/linker/M32Alloc.c +++ b/rts/linker/M32Alloc.c @@ -244,8 +244,9 @@ m32_alloc_page(void) * pages. */ const size_t pgsz = getPageSize(); - uint8_t *chunk = mmapAnonForLinker(pgsz * M32_MAP_PAGES); - if (chunk > (uint8_t *) 0xffffffff) { + const size_t map_sz = pgsz * M32_MAP_PAGES; + uint8_t *chunk = mmapAnonForLinker(map_sz); + if (chunk + map_sz > (uint8_t *) 0xffffffff) { barf("m32_alloc_page: failed to get allocation in lower 32-bits"); } |