diff options
Diffstat (limited to 'rts/sm/HeapAlloc.h')
| -rw-r--r-- | rts/sm/HeapAlloc.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/rts/sm/HeapAlloc.h b/rts/sm/HeapAlloc.h index 58aae1119d..f91795529d 100644 --- a/rts/sm/HeapAlloc.h +++ b/rts/sm/HeapAlloc.h @@ -63,8 +63,7 @@ extern struct mblock_address_range mblock_address_space; #elif SIZEOF_VOID_P == 4 extern StgWord8 mblock_map[]; -/* On a 32-bit machine a 4KB table is always sufficient */ -# define MBLOCK_MAP_SIZE 4096 +# define MBLOCK_MAP_SIZE (1 << (32 - MBLOCK_SHIFT)) # define MBLOCK_MAP_ENTRY(p) ((StgWord)(p) >> MBLOCK_SHIFT) # define HEAP_ALLOCED(p) mblock_map[MBLOCK_MAP_ENTRY(p)] # define HEAP_ALLOCED_GC(p) HEAP_ALLOCED(p) |