diff options
Diffstat (limited to 'includes')
| -rw-r--r-- | includes/rts/Flags.h | 4 | ||||
| -rw-r--r-- | includes/rts/storage/Block.h | 28 |
2 files changed, 20 insertions, 12 deletions
diff --git a/includes/rts/Flags.h b/includes/rts/Flags.h index 9a039fd95c..f27ce23b0b 100644 --- a/includes/rts/Flags.h +++ b/includes/rts/Flags.h @@ -52,7 +52,9 @@ typedef struct _GC_FLAGS { double oldGenFactor; double pcFreeHeap; - bool useNonmoving; + bool useNonmoving; // default = false + bool nonmovingSelectorOpt; // Do selector optimization in the + // non-moving heap, default = false uint32_t generations; bool squeezeUpdFrames; diff --git a/includes/rts/storage/Block.h b/includes/rts/storage/Block.h index 32cf98958f..4afc3689cb 100644 --- a/includes/rts/storage/Block.h +++ b/includes/rts/storage/Block.h @@ -88,17 +88,23 @@ typedef struct bdescr_ { StgPtr start; // [READ ONLY] start addr of memory - StgPtr free; // First free byte of memory. - // allocGroup() sets this to the value of start. - // NB. during use this value should lie - // between start and start + blocks * - // BLOCK_SIZE. Values outside this - // range are reserved for use by the - // block allocator. In particular, the - // value (StgPtr)(-1) is used to - // indicate that a block is unallocated. - // - // Unused by the non-moving allocator. + union { + StgPtr free; // First free byte of memory. + // allocGroup() sets this to the value of start. + // NB. during use this value should lie + // between start and start + blocks * + // BLOCK_SIZE. Values outside this + // range are reserved for use by the + // block allocator. In particular, the + // value (StgPtr)(-1) is used to + // indicate that a block is unallocated. + // + // Unused by the non-moving allocator. + struct NonmovingSegmentInfo { + StgWord8 log_block_size; + StgWord16 next_free_snap; + } nonmoving_segment; + }; struct bdescr_ *link; // used for chaining blocks together |