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* ------------------------------------------------------------------------- */
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// A count of blocks needs to store anything up to the size of memory
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// divided by the block size. The safest thing is therefore to use a
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// type that can store the full range of memory addresses,
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// ie. StgWord. Note that we have had some tricky int overflows in a
60
// couple of cases caused by using ints rather than longs (e.g. #5086)
62
typedef StgWord memcount;
56
64
typedef struct nursery_ {
58
unsigned int n_blocks;
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69
typedef struct generation_ {
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unsigned int no; // generation number
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bdescr * blocks; // blocks in this gen
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unsigned int n_blocks; // number of blocks
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unsigned int n_words; // number of used words
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memcount n_blocks; // number of blocks
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memcount n_words; // number of used words
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bdescr * large_objects; // large objects (doubly linked)
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unsigned int n_large_blocks; // no. of blocks used by large objs
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unsigned int n_new_large_blocks; // count freshly allocated large objects
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memcount n_large_blocks; // no. of blocks used by large objs
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memcount n_new_large_blocks; // count freshly allocated large objects
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unsigned int max_blocks; // max blocks
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memcount max_blocks; // max blocks
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bdescr *mut_list; // mut objects in this gen (not G0)
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StgTSO * threads; // threads in this gen
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// are copied into the following two fields. After GC, these blocks
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bdescr * old_blocks; // bdescr of first from-space block
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unsigned int n_old_blocks; // number of blocks in from-space
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unsigned int live_estimate; // for sweeping: estimate of live data
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memcount n_old_blocks; // number of blocks in from-space
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memcount live_estimate; // for sweeping: estimate of live data
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bdescr * saved_mut_list;
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bdescr * part_blocks; // partially-full scanned blocks
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unsigned int n_part_blocks; // count of above
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memcount n_part_blocks; // count of above
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bdescr * scavenged_large_objects; // live large objs after GC (d-link)
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unsigned int n_scavenged_large_blocks; // size (not count) of above
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memcount n_scavenged_large_blocks; // size (not count) of above
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bdescr * bitmap; // bitmap for compacting collection
added
removed
includes/rts/storage/GC.h
