X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=includes%2FCmm.h;fp=includes%2FCmm.h;h=ff91146745609db02896237c26a8f8df31982ce9;hb=0417404f5d1230c9d291ea9f73e2831121c8ec99;hp=69b5acc5fca70044d6e09ff03a850d7fdc11e9fb;hpb=fb783aeaa5bc1cc60e6bb551c1cd01a097b84fad;p=ghc-hetmet.git

diff --git a/includes/Cmm.h b/includes/Cmm.h
index 69b5acc..ff91146 100644
--- a/includes/Cmm.h
+++ b/includes/Cmm.h
@@ -463,6 +463,9 @@
 #define StgFunInfoExtra_bitmap(i)     StgFunInfoExtraFwd_bitmap(i)
 #endif
 
+#define mutArrPtrsCardWords(n) \
+    ROUNDUP_BYTES_TO_WDS(((n) + (1 << MUT_ARR_PTRS_CARD_BITS) - 1) >> MUT_ARR_PTRS_CARD_BITS)
+
 /* -----------------------------------------------------------------------------
    Voluntary Yields/Blocks