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comment to not add custom fields (issue #896)
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@ -51,12 +51,13 @@ typedef struct mi_arena_s {
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bool exclusive; // only allow allocations if specifically for this arena
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bool is_large; // memory area consists of large- or huge OS pages (always committed)
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_Atomic(size_t) search_idx; // optimization to start the search for free blocks
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_Atomic(mi_msecs_t) purge_expire; // expiration time when blocks should be decommitted from `blocks_decommit`.
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_Atomic(mi_msecs_t) purge_expire; // expiration time when blocks should be decommitted from `blocks_decommit`.
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mi_bitmap_field_t* blocks_dirty; // are the blocks potentially non-zero?
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mi_bitmap_field_t* blocks_committed; // are the blocks committed? (can be NULL for memory that cannot be decommitted)
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mi_bitmap_field_t* blocks_purge; // blocks that can be (reset) decommitted. (can be NULL for memory that cannot be (reset) decommitted)
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mi_bitmap_field_t* blocks_abandoned; // blocks that start with an abandoned segment. (This crosses API's but it is convenient to have here)
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mi_bitmap_field_t blocks_inuse[1]; // in-place bitmap of in-use blocks (of size `field_count`)
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// do not add further fields here as the dirty, committed, purged, and abandoned bitmaps follow the inuse bitmap fields.
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} mi_arena_t;
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