diff options
| -rw-r--r-- | py/gc.c | 21 |
1 files changed, 12 insertions, 9 deletions
@@ -480,9 +480,20 @@ found: end_block = i; start_block = i - n_free + 1; - // mark first block as used head #if MICROPY_REENTRANT_GC mp_uint_t atomic_state = MICROPY_BEGIN_ATOMIC_SECTION(); + #endif + + // Set last free ATB index to block after last block we found, for start of + // next scan. To reduce fragmentation, we only do this if there are no free + // blocks before this one. Also, whenever we free or shink a block we must + // check if this index needs adjusting (see gc_realloc and gc_free). + if ((i + 1) / BLOCKS_PER_ATB < gc_last_free_atb_index) { + gc_last_free_atb_index = (i + 1) / BLOCKS_PER_ATB; + } + + // mark first block as used head + #if MICROPY_REENTRANT_GC if (ATB_GET_KIND(start_block) == AT_FREE) { // TODO might need to make MARK ATB_FREE_TO_HEAD(start_block); @@ -518,14 +529,6 @@ found: #endif } - // Set last free ATB index to block after last block we found, for start of - // next scan. To reduce fragmentation, we only do this if there are no free - // blocks before this one. Also, whenever we free or shink a block we must - // check if this index needs adjusting (see gc_realloc and gc_free). - if ((i + 1) / BLOCKS_PER_ATB < gc_last_free_atb_index) { - gc_last_free_atb_index = (i + 1) / BLOCKS_PER_ATB; - } - #if MICROPY_REENTRANT_GC MICROPY_END_ATOMIC_SECTION(atomic_state); #endif |